The Java Version Almanac
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New APIs in Java 20

Comparing Java 20 (20-ea+24-1795-open) with Java 16 (16.0.2+7-tem).

Element Modification
java.base
    java.io
      BufferedInputStream
        • added
        CharArrayReader
          • added
          Console
            FileInputStream
              • added
              • added
              InputStreamReader
                • added
                InvalidClassException
                  InvalidObjectException
                    ObjectInputFilter.Config
                      ObjectInputStream.GetField
                        • + throws ClassNotFoundException
                        • + final
                        ObjectStreamException
                          PrintStream
                            PushbackInputStream
                              • added
                              WriteAbortedException
                                • + deprecated
                                ObjectInputFilter
                                  java.lang.constant
                                    • + sealed
                                    • + sealed
                                    • + sealed
                                    • + sealed
                                    • + sealed
                                    java.lang.invoke
                                      • + sealed
                                      • + sealed
                                      • + final
                                      MethodHandles
                                        • + sealed
                                        java.lang.module
                                          ModuleDescriptor.Exports
                                            ModuleDescriptor.Opens
                                              ModuleDescriptor.Requires
                                                ModuleDescriptor
                                                  java.lang.ref
                                                    ReferenceQueue
                                                      • - throws IllegalArgumentException
                                                      • + sealed
                                                      java.lang.reflect
                                                        AccessibleObject
                                                          • + deprecated
                                                          • + sealed
                                                          • + abstract
                                                          Field
                                                            Method
                                                              • - throws IllegalArgumentException
                                                              Parameter
                                                                Member
                                                                  java.lang.runtime
                                                                    java.lang
                                                                      Character.UnicodeBlock
                                                                        • added
                                                                        • added
                                                                        • added
                                                                        • added
                                                                        • added
                                                                        • added
                                                                        • added
                                                                        Class
                                                                          • - preview
                                                                          • - preview
                                                                          Double
                                                                            Enum
                                                                              • + deprecated
                                                                              • + forRemoval
                                                                              Float
                                                                                Integer
                                                                                  Long
                                                                                    Math
                                                                                      Object
                                                                                        • + forRemoval
                                                                                        Process
                                                                                          Runtime
                                                                                            • + deprecated
                                                                                            • + deprecated
                                                                                            • + deprecated
                                                                                            • + deprecated
                                                                                            • + forRemoval
                                                                                            • + deprecated
                                                                                            • + forRemoval
                                                                                            • + forRemoval
                                                                                            StrictMath
                                                                                              System
                                                                                                • + deprecated
                                                                                                • + forRemoval
                                                                                                • + deprecated
                                                                                                • + forRemoval
                                                                                                • + deprecated
                                                                                                • + forRemoval
                                                                                                • + deprecated
                                                                                                • + forRemoval
                                                                                                ThreadGroup
                                                                                                  • + deprecated
                                                                                                  • + forRemoval
                                                                                                  Thread
                                                                                                    • + deprecated
                                                                                                    • + forRemoval
                                                                                                    • + deprecated
                                                                                                    • + forRemoval
                                                                                                    Character.UnicodeScript
                                                                                                      • added
                                                                                                      • added
                                                                                                      java.math
                                                                                                        BigDecimal
                                                                                                          BigInteger
                                                                                                            java.net.spi
                                                                                                              java.net
                                                                                                                DatagramSocket
                                                                                                                  • + deprecated
                                                                                                                  • + sealed
                                                                                                                  ServerSocket
                                                                                                                    • + deprecated
                                                                                                                    SocketException
                                                                                                                      Socket
                                                                                                                        • + deprecated
                                                                                                                        URLDecoder
                                                                                                                          URLDecoder()
                                                                                                                          URL
                                                                                                                            • + deprecated
                                                                                                                            • + deprecated
                                                                                                                            • + deprecated
                                                                                                                            • + deprecated
                                                                                                                            • + deprecated
                                                                                                                            • + deprecated
                                                                                                                            • added
                                                                                                                            java.nio.channels
                                                                                                                              FileChannel
                                                                                                                                java.nio.charset
                                                                                                                                  Charset
                                                                                                                                    java.nio.file.spi
                                                                                                                                      FileSystemProvider
                                                                                                                                        java.nio.file
                                                                                                                                          Path
                                                                                                                                            • added
                                                                                                                                            java.nio
                                                                                                                                              • + sealed
                                                                                                                                              • + sealed
                                                                                                                                              • + sealed
                                                                                                                                              • + sealed
                                                                                                                                              • + sealed
                                                                                                                                              • + sealed
                                                                                                                                              • + sealed
                                                                                                                                              • + sealed
                                                                                                                                              • + sealed
                                                                                                                                              java.security.cert
                                                                                                                                                CertStore
                                                                                                                                                  • - final
                                                                                                                                                  java.security.interfaces
                                                                                                                                                    DSAKeyPairGenerator
                                                                                                                                                      • - throws InvalidParameterException
                                                                                                                                                      • - throws InvalidParameterException
                                                                                                                                                      java.security.spec
                                                                                                                                                        PSSParameterSpec
                                                                                                                                                          • + deprecated
                                                                                                                                                          • + deprecated
                                                                                                                                                          java.security
                                                                                                                                                            • + deprecated
                                                                                                                                                            • + forRemoval
                                                                                                                                                            • + deprecated
                                                                                                                                                            • + forRemoval
                                                                                                                                                            • + deprecated
                                                                                                                                                            • + forRemoval
                                                                                                                                                            InvalidParameterException
                                                                                                                                                              • added
                                                                                                                                                              • added
                                                                                                                                                              KeyStoreSpi
                                                                                                                                                                KeyStore
                                                                                                                                                                  • + deprecated
                                                                                                                                                                  • + forRemoval
                                                                                                                                                                  • + deprecated
                                                                                                                                                                  • + forRemoval
                                                                                                                                                                  • + deprecated
                                                                                                                                                                  • + forRemoval
                                                                                                                                                                  • + deprecated
                                                                                                                                                                  • + forRemoval
                                                                                                                                                                  java.text
                                                                                                                                                                    DecimalFormatSymbols
                                                                                                                                                                      java.time.chrono
                                                                                                                                                                        IsoChronology
                                                                                                                                                                          JapaneseChronology
                                                                                                                                                                            MinguoChronology
                                                                                                                                                                              ThaiBuddhistChronology
                                                                                                                                                                                Chronology
                                                                                                                                                                                  java.time.format
                                                                                                                                                                                    DateTimeFormatterBuilder
                                                                                                                                                                                      DateTimeFormatter
                                                                                                                                                                                        java.time
                                                                                                                                                                                          • + implements InstantSource
                                                                                                                                                                                          Duration
                                                                                                                                                                                            • + sealed
                                                                                                                                                                                            ZoneOffset
                                                                                                                                                                                              java.util.concurrent
                                                                                                                                                                                                CompletableFuture
                                                                                                                                                                                                  • + final
                                                                                                                                                                                                  Executors
                                                                                                                                                                                                    • + deprecated
                                                                                                                                                                                                    • + forRemoval
                                                                                                                                                                                                    • + deprecated
                                                                                                                                                                                                    • + forRemoval
                                                                                                                                                                                                    • + deprecated
                                                                                                                                                                                                    • + forRemoval
                                                                                                                                                                                                    ForkJoinPool
                                                                                                                                                                                                      • added
                                                                                                                                                                                                      • added
                                                                                                                                                                                                      • added
                                                                                                                                                                                                      ForkJoinTask
                                                                                                                                                                                                        ForkJoinWorkerThread
                                                                                                                                                                                                          FutureTask
                                                                                                                                                                                                            • + final
                                                                                                                                                                                                            nextGaussian()
                                                                                                                                                                                                            ThreadPoolExecutor
                                                                                                                                                                                                              • + forRemoval
                                                                                                                                                                                                              • + implements AutoCloseable
                                                                                                                                                                                                              Future
                                                                                                                                                                                                                java.util.regex
                                                                                                                                                                                                                  Matcher
                                                                                                                                                                                                                    • added
                                                                                                                                                                                                                    • added
                                                                                                                                                                                                                    Pattern
                                                                                                                                                                                                                      • added
                                                                                                                                                                                                                      MatchResult
                                                                                                                                                                                                                        • added
                                                                                                                                                                                                                        • added
                                                                                                                                                                                                                        • added
                                                                                                                                                                                                                        • added
                                                                                                                                                                                                                        • added
                                                                                                                                                                                                                        java.util.spi
                                                                                                                                                                                                                          ToolProvider
                                                                                                                                                                                                                            java.util.zip
                                                                                                                                                                                                                              ZipInputStream
                                                                                                                                                                                                                                • added
                                                                                                                                                                                                                                • added
                                                                                                                                                                                                                                • added
                                                                                                                                                                                                                                • added
                                                                                                                                                                                                                                • added
                                                                                                                                                                                                                                • added
                                                                                                                                                                                                                                java.util
                                                                                                                                                                                                                                  • + sealed
                                                                                                                                                                                                                                  HashMap
                                                                                                                                                                                                                                    HashSet
                                                                                                                                                                                                                                      IdentityHashMap
                                                                                                                                                                                                                                        • added
                                                                                                                                                                                                                                        • added
                                                                                                                                                                                                                                        • + sealed
                                                                                                                                                                                                                                        LinkedHashMap
                                                                                                                                                                                                                                          LinkedHashSet
                                                                                                                                                                                                                                            Locale
                                                                                                                                                                                                                                              • + deprecated
                                                                                                                                                                                                                                              • + deprecated
                                                                                                                                                                                                                                              • + deprecated
                                                                                                                                                                                                                                              Objects
                                                                                                                                                                                                                                                • + implements RandomGenerator
                                                                                                                                                                                                                                                • + implements RandomGenerator
                                                                                                                                                                                                                                                • + implements RandomGenerator.SplittableGenerator
                                                                                                                                                                                                                                                nextBoolean()
                                                                                                                                                                                                                                                nextDouble()
                                                                                                                                                                                                                                                nextDouble(double)
                                                                                                                                                                                                                                                nextDouble(double, double)
                                                                                                                                                                                                                                                nextInt(int)
                                                                                                                                                                                                                                                nextInt(int, int)
                                                                                                                                                                                                                                                nextLong(long)
                                                                                                                                                                                                                                                nextLong(long, long)
                                                                                                                                                                                                                                                WeakHashMap
                                                                                                                                                                                                                                                  Map.Entry
                                                                                                                                                                                                                                                    javax.crypto.spec
                                                                                                                                                                                                                                                      OAEPParameterSpec
                                                                                                                                                                                                                                                        • + deprecated
                                                                                                                                                                                                                                                        javax.net.ssl
                                                                                                                                                                                                                                                          KeyManagerFactory
                                                                                                                                                                                                                                                            • - final
                                                                                                                                                                                                                                                            SSLHandshakeException
                                                                                                                                                                                                                                                              SSLKeyException
                                                                                                                                                                                                                                                                SSLParameters
                                                                                                                                                                                                                                                                  SSLPeerUnverifiedException
                                                                                                                                                                                                                                                                    SSLProtocolException
                                                                                                                                                                                                                                                                      TrustManagerFactory
                                                                                                                                                                                                                                                                        • - final
                                                                                                                                                                                                                                                                        SSLSessionContext
                                                                                                                                                                                                                                                                          • - throws IllegalArgumentException
                                                                                                                                                                                                                                                                          • - throws IllegalArgumentException
                                                                                                                                                                                                                                                                          javax.security.auth
                                                                                                                                                                                                                                                                            • + deprecated
                                                                                                                                                                                                                                                                            • + forRemoval
                                                                                                                                                                                                                                                                            Subject
                                                                                                                                                                                                                                                                              • + deprecated
                                                                                                                                                                                                                                                                              • + forRemoval
                                                                                                                                                                                                                                                                              • + deprecated
                                                                                                                                                                                                                                                                              • + forRemoval
                                                                                                                                                                                                                                                                              • + deprecated
                                                                                                                                                                                                                                                                              • + forRemoval
                                                                                                                                                                                                                                                                              • + deprecated
                                                                                                                                                                                                                                                                              • + forRemoval
                                                                                                                                                                                                                                                                              • + deprecated
                                                                                                                                                                                                                                                                              • + forRemoval
                                                                                                                                                                                                                                                                              java.compiler
                                                                                                                                                                                                                                                                                javax.annotation.processing
                                                                                                                                                                                                                                                                                  Messager
                                                                                                                                                                                                                                                                                    javax.lang.model.element
                                                                                                                                                                                                                                                                                      ElementKind
                                                                                                                                                                                                                                                                                        Modifier
                                                                                                                                                                                                                                                                                          • - preview
                                                                                                                                                                                                                                                                                          • - preview
                                                                                                                                                                                                                                                                                          ExecutableElement
                                                                                                                                                                                                                                                                                            TypeElement
                                                                                                                                                                                                                                                                                              • - preview
                                                                                                                                                                                                                                                                                              javax.lang.model.util
                                                                                                                                                                                                                                                                                                Elements
                                                                                                                                                                                                                                                                                                  javax.lang.model
                                                                                                                                                                                                                                                                                                    SourceVersion
                                                                                                                                                                                                                                                                                                      javax.tools
                                                                                                                                                                                                                                                                                                        ForwardingJavaFileManager
                                                                                                                                                                                                                                                                                                          DocumentationTool.Location
                                                                                                                                                                                                                                                                                                            JavaFileManager
                                                                                                                                                                                                                                                                                                              java.datatransfer
                                                                                                                                                                                                                                                                                                                java.awt.datatransfer
                                                                                                                                                                                                                                                                                                                  DataFlavor
                                                                                                                                                                                                                                                                                                                    • + final
                                                                                                                                                                                                                                                                                                                    • + final
                                                                                                                                                                                                                                                                                                                    • + final
                                                                                                                                                                                                                                                                                                                    java.desktop
                                                                                                                                                                                                                                                                                                                      java.applet
                                                                                                                                                                                                                                                                                                                        • + forRemoval
                                                                                                                                                                                                                                                                                                                        • + forRemoval
                                                                                                                                                                                                                                                                                                                        • + forRemoval
                                                                                                                                                                                                                                                                                                                        • + forRemoval
                                                                                                                                                                                                                                                                                                                        java.awt.color
                                                                                                                                                                                                                                                                                                                          • + final
                                                                                                                                                                                                                                                                                                                          • + final
                                                                                                                                                                                                                                                                                                                          • + sealed
                                                                                                                                                                                                                                                                                                                          finalize()
                                                                                                                                                                                                                                                                                                                          java.awt.desktop
                                                                                                                                                                                                                                                                                                                            • + sealed
                                                                                                                                                                                                                                                                                                                            • + sealed
                                                                                                                                                                                                                                                                                                                            java.awt.dnd
                                                                                                                                                                                                                                                                                                                              • + final
                                                                                                                                                                                                                                                                                                                              java.awt.event
                                                                                                                                                                                                                                                                                                                                • + sealed
                                                                                                                                                                                                                                                                                                                                java.awt.geom
                                                                                                                                                                                                                                                                                                                                  CubicCurve2D.Double
                                                                                                                                                                                                                                                                                                                                    getBounds2D()
                                                                                                                                                                                                                                                                                                                                    CubicCurve2D.Float
                                                                                                                                                                                                                                                                                                                                      getBounds2D()
                                                                                                                                                                                                                                                                                                                                      CubicCurve2D
                                                                                                                                                                                                                                                                                                                                        • + sealed
                                                                                                                                                                                                                                                                                                                                        QuadCurve2D.Double
                                                                                                                                                                                                                                                                                                                                          getBounds2D()
                                                                                                                                                                                                                                                                                                                                          QuadCurve2D.Float
                                                                                                                                                                                                                                                                                                                                            getBounds2D()
                                                                                                                                                                                                                                                                                                                                            QuadCurve2D
                                                                                                                                                                                                                                                                                                                                              java.awt.image
                                                                                                                                                                                                                                                                                                                                                ColorModel
                                                                                                                                                                                                                                                                                                                                                  finalize()
                                                                                                                                                                                                                                                                                                                                                  IndexColorModel
                                                                                                                                                                                                                                                                                                                                                    finalize()
                                                                                                                                                                                                                                                                                                                                                    java.awt
                                                                                                                                                                                                                                                                                                                                                      Graphics
                                                                                                                                                                                                                                                                                                                                                        • + forRemoval
                                                                                                                                                                                                                                                                                                                                                        • + final
                                                                                                                                                                                                                                                                                                                                                        • + sealed
                                                                                                                                                                                                                                                                                                                                                        • + final
                                                                                                                                                                                                                                                                                                                                                        PrintJob
                                                                                                                                                                                                                                                                                                                                                          • + forRemoval
                                                                                                                                                                                                                                                                                                                                                          • + final
                                                                                                                                                                                                                                                                                                                                                          • + sealed
                                                                                                                                                                                                                                                                                                                                                          java.beans
                                                                                                                                                                                                                                                                                                                                                            Beans
                                                                                                                                                                                                                                                                                                                                                              • + forRemoval
                                                                                                                                                                                                                                                                                                                                                              • + forRemoval
                                                                                                                                                                                                                                                                                                                                                              javax.imageio.spi
                                                                                                                                                                                                                                                                                                                                                                ServiceRegistry
                                                                                                                                                                                                                                                                                                                                                                  • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                  javax.imageio.stream
                                                                                                                                                                                                                                                                                                                                                                    FileCacheImageInputStream
                                                                                                                                                                                                                                                                                                                                                                      • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                      FileImageInputStream
                                                                                                                                                                                                                                                                                                                                                                        • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                        FileImageOutputStream
                                                                                                                                                                                                                                                                                                                                                                          • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                          ImageInputStreamImpl
                                                                                                                                                                                                                                                                                                                                                                            • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                            MemoryCacheImageInputStream
                                                                                                                                                                                                                                                                                                                                                                              • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                              javax.sound.midi
                                                                                                                                                                                                                                                                                                                                                                                • + final
                                                                                                                                                                                                                                                                                                                                                                                javax.swing.filechooser
                                                                                                                                                                                                                                                                                                                                                                                  FileSystemView
                                                                                                                                                                                                                                                                                                                                                                                    javax.swing.plaf.basic
                                                                                                                                                                                                                                                                                                                                                                                      BasicDirectoryModel
                                                                                                                                                                                                                                                                                                                                                                                        • + deprecated
                                                                                                                                                                                                                                                                                                                                                                                        • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                                        • + deprecated
                                                                                                                                                                                                                                                                                                                                                                                        • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                                        • + deprecated
                                                                                                                                                                                                                                                                                                                                                                                        • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                                        • + deprecated
                                                                                                                                                                                                                                                                                                                                                                                        • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                                        • + deprecated
                                                                                                                                                                                                                                                                                                                                                                                        • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                                        • + deprecated
                                                                                                                                                                                                                                                                                                                                                                                        • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                                        • + deprecated
                                                                                                                                                                                                                                                                                                                                                                                        • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                                        • + deprecated
                                                                                                                                                                                                                                                                                                                                                                                        • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                                        • + sealed
                                                                                                                                                                                                                                                                                                                                                                                        BasicToolBarUI
                                                                                                                                                                                                                                                                                                                                                                                          • + deprecated
                                                                                                                                                                                                                                                                                                                                                                                          • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                                          javax.swing.plaf.synth
                                                                                                                                                                                                                                                                                                                                                                                            SynthPasswordFieldUI
                                                                                                                                                                                                                                                                                                                                                                                              • added
                                                                                                                                                                                                                                                                                                                                                                                              javax.swing.text.html
                                                                                                                                                                                                                                                                                                                                                                                                • + final
                                                                                                                                                                                                                                                                                                                                                                                                • + final
                                                                                                                                                                                                                                                                                                                                                                                                • + final
                                                                                                                                                                                                                                                                                                                                                                                                javax.swing.text
                                                                                                                                                                                                                                                                                                                                                                                                  DefaultEditorKit
                                                                                                                                                                                                                                                                                                                                                                                                    • + final
                                                                                                                                                                                                                                                                                                                                                                                                    • + final
                                                                                                                                                                                                                                                                                                                                                                                                    • + final
                                                                                                                                                                                                                                                                                                                                                                                                    • + final
                                                                                                                                                                                                                                                                                                                                                                                                    • + sealed
                                                                                                                                                                                                                                                                                                                                                                                                    javax.swing
                                                                                                                                                                                                                                                                                                                                                                                                      • + sealed
                                                                                                                                                                                                                                                                                                                                                                                                      • + sealed
                                                                                                                                                                                                                                                                                                                                                                                                      • + final
                                                                                                                                                                                                                                                                                                                                                                                                      • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                                                      • + implements AccessibleAction
                                                                                                                                                                                                                                                                                                                                                                                                      RepaintManager
                                                                                                                                                                                                                                                                                                                                                                                                        • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                                                        • + final
                                                                                                                                                                                                                                                                                                                                                                                                        java.logging
                                                                                                                                                                                                                                                                                                                                                                                                          java.util.logging
                                                                                                                                                                                                                                                                                                                                                                                                            LogManager
                                                                                                                                                                                                                                                                                                                                                                                                              • + deprecated
                                                                                                                                                                                                                                                                                                                                                                                                              • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                                                              java.management
                                                                                                                                                                                                                                                                                                                                                                                                                java.lang.management
                                                                                                                                                                                                                                                                                                                                                                                                                  MemoryMXBean
                                                                                                                                                                                                                                                                                                                                                                                                                    • + deprecated
                                                                                                                                                                                                                                                                                                                                                                                                                    java.naming
                                                                                                                                                                                                                                                                                                                                                                                                                      javax.naming
                                                                                                                                                                                                                                                                                                                                                                                                                        Context
                                                                                                                                                                                                                                                                                                                                                                                                                          • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                                                                          java.net.http
                                                                                                                                                                                                                                                                                                                                                                                                                            java.net.http
                                                                                                                                                                                                                                                                                                                                                                                                                              HttpClient.Builder
                                                                                                                                                                                                                                                                                                                                                                                                                                HttpRequest.Builder
                                                                                                                                                                                                                                                                                                                                                                                                                                  java.rmi
                                                                                                                                                                                                                                                                                                                                                                                                                                    java.rmi.activation
                                                                                                                                                                                                                                                                                                                                                                                                                                    java.rmi
                                                                                                                                                                                                                                                                                                                                                                                                                                      • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                                                                                      java.xml.crypto
                                                                                                                                                                                                                                                                                                                                                                                                                                        javax.xml.crypto.dsig.spec
                                                                                                                                                                                                                                                                                                                                                                                                                                          javax.xml.crypto.dsig
                                                                                                                                                                                                                                                                                                                                                                                                                                            SignatureMethod
                                                                                                                                                                                                                                                                                                                                                                                                                                              java.xml
                                                                                                                                                                                                                                                                                                                                                                                                                                                javax.xml.xpath
                                                                                                                                                                                                                                                                                                                                                                                                                                                  XPathFactory

                                                                                                                                                                                                                                                                                                                                                                                                                                                    This report is based on simple comparison of all public and protected APIs of the java.* and javax.* packages of JDK builds 20-ea+24-1795-open and 16.0.2+7-tem. It does not make statements about compatibility.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    For the latest Java versions the corresponding CSRs (Compatibility & Specification Review) are linked for a quick reference to find out about the reasoning of the change.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    More detailed API comparisons based on the japicmp tool can be found here.