The Java Version Almanac
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New APIs in Java 20

Comparing Java 20 (20-ea+4-158-open) with Java 16 (16.0.2+7-tem).

Element Modification
java.base
    java.io
      CharArrayReader
        • added
        Console
          FileInputStream
            • added
            • added
            InputStreamReader
              • added
              InvalidClassException
                InvalidObjectException
                  ObjectInputFilter.Config
                    ObjectInputStream.GetField
                      • + throws ClassNotFoundException
                      • + final
                      ObjectStreamException
                        PrintStream
                          WriteAbortedException
                            • + deprecated
                            ObjectInputFilter
                              java.lang.constant
                                • + sealed
                                • + sealed
                                • + sealed
                                • + sealed
                                • + sealed
                                java.lang.invoke
                                  • + sealed
                                  • + sealed
                                  • + final
                                  MethodHandles
                                    • + sealed
                                    java.lang.module
                                      ModuleDescriptor.Exports
                                        • added
                                        ModuleDescriptor.Opens
                                          • added
                                          ModuleDescriptor.Requires
                                            • added
                                            ModuleDescriptor
                                              • added
                                              java.lang.ref
                                                ReferenceQueue
                                                  • - throws IllegalArgumentException
                                                  • + sealed
                                                  java.lang.reflect
                                                    AccessibleObject
                                                      • + deprecated
                                                      • + sealed
                                                      • added
                                                      • + abstract
                                                      Field
                                                        • added
                                                        Method
                                                          • - throws IllegalArgumentException
                                                          Parameter
                                                            • added
                                                            • added
                                                            • added
                                                            Member
                                                              • added
                                                              java.lang.runtime
                                                                java.lang
                                                                  Character.UnicodeBlock
                                                                    Class
                                                                      • added
                                                                      • - 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
                                                                                            ThreadGroup
                                                                                              • + deprecated
                                                                                              • + forRemoval
                                                                                              Thread
                                                                                                • + deprecated
                                                                                                • + forRemoval
                                                                                                • + deprecated
                                                                                                • + forRemoval
                                                                                                Character.UnicodeScript
                                                                                                  java.math
                                                                                                    BigDecimal
                                                                                                      BigInteger
                                                                                                        java.net.spi
                                                                                                          java.net
                                                                                                            DatagramSocket
                                                                                                              • + deprecated
                                                                                                              • + sealed
                                                                                                              ServerSocket
                                                                                                                • + deprecated
                                                                                                                SocketException
                                                                                                                  Socket
                                                                                                                    • + deprecated
                                                                                                                    URLDecoder
                                                                                                                      URLDecoder()
                                                                                                                      java.nio.channels
                                                                                                                        FileChannel
                                                                                                                          java.nio.charset
                                                                                                                            Charset
                                                                                                                              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
                                                                                                                                              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.spi
                                                                                                                                                                                                  ToolProvider
                                                                                                                                                                                                    java.util
                                                                                                                                                                                                      • + sealed
                                                                                                                                                                                                      HashMap
                                                                                                                                                                                                        HashSet
                                                                                                                                                                                                          • + 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.text.html
                                                                                                                                                                                                                                                                                                                                                              • + final
                                                                                                                                                                                                                                                                                                                                                              • + final
                                                                                                                                                                                                                                                                                                                                                              • + final
                                                                                                                                                                                                                                                                                                                                                              javax.swing.text
                                                                                                                                                                                                                                                                                                                                                                • + 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+4-158-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.