The Java Version Almanac
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New APIs in Java 20

Comparing Java 20 (20.0.2+9-tem) with Java 17 (17.0.12+7-tem).

Element Modification
java.base
    java.io
      BufferedInputStream
        • - final
        FileInputStream
          InvalidClassException
            InvalidObjectException
              ObjectInputStream.GetField
                • + throws ClassNotFoundException
                • + final
                ObjectStreamException
                  PrintStream
                    PushbackInputStream
                      SequenceInputStream
                        java.lang.constant
                          ClassDesc
                            java.lang.invoke
                              • + sealed
                              • + sealed
                              • + final
                              MethodHandles
                                • + sealed
                                java.lang.module
                                  ModuleDescriptor.Exports
                                    ModuleDescriptor.Opens
                                      ModuleDescriptor.Requires
                                        ModuleDescriptor
                                          java.lang.ref
                                            ReferenceQueue
                                              • - throws IllegalArgumentException
                                              • + sealed
                                              java.lang.reflect
                                                Executable
                                                  • + abstract
                                                  Field
                                                    Method
                                                      • - throws IllegalArgumentException
                                                      Parameter
                                                        Member
                                                          java.lang
                                                            Character.UnicodeBlock
                                                              Class
                                                                Double
                                                                  Enum
                                                                    • + deprecated
                                                                    • + forRemoval
                                                                    Float
                                                                      Integer
                                                                        Long
                                                                          Math
                                                                            ModuleLayer.Controller
                                                                              Module
                                                                                Object
                                                                                  • + forRemoval
                                                                                  Runtime
                                                                                    • + deprecated
                                                                                    • + deprecated
                                                                                    • + deprecated
                                                                                    • + deprecated
                                                                                    • + forRemoval
                                                                                    StrictMath
                                                                                      System
                                                                                        • + deprecated
                                                                                        • + forRemoval
                                                                                        • + deprecated
                                                                                        • + forRemoval
                                                                                        Thread
                                                                                          • + deprecated
                                                                                          • + forRemoval
                                                                                          Character.UnicodeScript
                                                                                            java.math
                                                                                              BigDecimal
                                                                                                BigInteger
                                                                                                  java.net.spi
                                                                                                    java.net
                                                                                                      • + sealed
                                                                                                      SocketException
                                                                                                        URL
                                                                                                          • + deprecated
                                                                                                          • + deprecated
                                                                                                          • + deprecated
                                                                                                          • + deprecated
                                                                                                          • + deprecated
                                                                                                          • + deprecated
                                                                                                          java.nio.channels
                                                                                                            FileChannel
                                                                                                              java.nio.charset
                                                                                                                Charset
                                                                                                                  java.nio.file.spi
                                                                                                                    FileSystemProvider
                                                                                                                      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
                                                                                                                                      InvalidParameterException
                                                                                                                                        KeyStoreSpi
                                                                                                                                          KeyStore
                                                                                                                                            java.text
                                                                                                                                              DecimalFormatSymbols
                                                                                                                                                java.time.chrono
                                                                                                                                                  IsoChronology
                                                                                                                                                    JapaneseChronology
                                                                                                                                                      MinguoChronology
                                                                                                                                                        ThaiBuddhistChronology
                                                                                                                                                          Chronology
                                                                                                                                                            java.time.format
                                                                                                                                                              DateTimeFormatterBuilder
                                                                                                                                                                DateTimeFormatter
                                                                                                                                                                  java.time
                                                                                                                                                                    Duration
                                                                                                                                                                      • + sealed
                                                                                                                                                                      ZoneOffset
                                                                                                                                                                        java.util.concurrent
                                                                                                                                                                          CompletableFuture
                                                                                                                                                                            • + final
                                                                                                                                                                            Executors
                                                                                                                                                                              ForkJoinPool
                                                                                                                                                                                ForkJoinTask
                                                                                                                                                                                  ForkJoinWorkerThread
                                                                                                                                                                                    FutureTask
                                                                                                                                                                                      • + final
                                                                                                                                                                                      ThreadPoolExecutor
                                                                                                                                                                                        • + forRemoval
                                                                                                                                                                                        • + implements AutoCloseable
                                                                                                                                                                                        Future
                                                                                                                                                                                          java.util.regex
                                                                                                                                                                                            Matcher
                                                                                                                                                                                              Pattern
                                                                                                                                                                                                MatchResult
                                                                                                                                                                                                  java.util.spi
                                                                                                                                                                                                    ToolProvider
                                                                                                                                                                                                      java.util.zip
                                                                                                                                                                                                        ZipInputStream
                                                                                                                                                                                                          java.util
                                                                                                                                                                                                            • + sealed
                                                                                                                                                                                                            HashMap
                                                                                                                                                                                                              HashSet
                                                                                                                                                                                                                IdentityHashMap
                                                                                                                                                                                                                  • + sealed
                                                                                                                                                                                                                  LinkedHashMap
                                                                                                                                                                                                                    LinkedHashSet
                                                                                                                                                                                                                      Locale
                                                                                                                                                                                                                        • + deprecated
                                                                                                                                                                                                                        • + deprecated
                                                                                                                                                                                                                        • + deprecated
                                                                                                                                                                                                                        Objects
                                                                                                                                                                                                                          Random
                                                                                                                                                                                                                            WeakHashMap
                                                                                                                                                                                                                              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
                                                                                                                                                                                                                                                      Subject
                                                                                                                                                                                                                                                        • + deprecated
                                                                                                                                                                                                                                                        • + forRemoval
                                                                                                                                                                                                                                                        • + deprecated
                                                                                                                                                                                                                                                        • + forRemoval
                                                                                                                                                                                                                                                        java.compiler
                                                                                                                                                                                                                                                          javax.annotation.processing
                                                                                                                                                                                                                                                            Messager
                                                                                                                                                                                                                                                              javax.lang.model.element
                                                                                                                                                                                                                                                                ElementKind
                                                                                                                                                                                                                                                                  ExecutableElement
                                                                                                                                                                                                                                                                    javax.lang.model.util
                                                                                                                                                                                                                                                                      Elements
                                                                                                                                                                                                                                                                        javax.lang.model
                                                                                                                                                                                                                                                                          SourceVersion
                                                                                                                                                                                                                                                                            javax.tools
                                                                                                                                                                                                                                                                              ForwardingJavaFileManager
                                                                                                                                                                                                                                                                                DocumentationTool.Location
                                                                                                                                                                                                                                                                                  JavaFileManager
                                                                                                                                                                                                                                                                                    java.desktop
                                                                                                                                                                                                                                                                                      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
                                                                                                                                                                                                                                                                                                                        javax.imageio.spi
                                                                                                                                                                                                                                                                                                                          ServiceRegistry
                                                                                                                                                                                                                                                                                                                            • + forRemoval
                                                                                                                                                                                                                                                                                                                            javax.imageio.stream
                                                                                                                                                                                                                                                                                                                              FileCacheImageInputStream
                                                                                                                                                                                                                                                                                                                                • + forRemoval
                                                                                                                                                                                                                                                                                                                                FileImageInputStream
                                                                                                                                                                                                                                                                                                                                  • + forRemoval
                                                                                                                                                                                                                                                                                                                                  FileImageOutputStream
                                                                                                                                                                                                                                                                                                                                    • + forRemoval
                                                                                                                                                                                                                                                                                                                                    ImageInputStreamImpl
                                                                                                                                                                                                                                                                                                                                      • + forRemoval
                                                                                                                                                                                                                                                                                                                                      MemoryCacheImageInputStream
                                                                                                                                                                                                                                                                                                                                        • + forRemoval
                                                                                                                                                                                                                                                                                                                                        javax.sound.midi
                                                                                                                                                                                                                                                                                                                                          • + final
                                                                                                                                                                                                                                                                                                                                          javax.swing.plaf.basic
                                                                                                                                                                                                                                                                                                                                            BasicDirectoryModel
                                                                                                                                                                                                                                                                                                                                              • + forRemoval
                                                                                                                                                                                                                                                                                                                                              • + forRemoval
                                                                                                                                                                                                                                                                                                                                              • + forRemoval
                                                                                                                                                                                                                                                                                                                                              • + forRemoval
                                                                                                                                                                                                                                                                                                                                              • + forRemoval
                                                                                                                                                                                                                                                                                                                                              • + forRemoval
                                                                                                                                                                                                                                                                                                                                              • + forRemoval
                                                                                                                                                                                                                                                                                                                                              • + forRemoval
                                                                                                                                                                                                                                                                                                                                              • + sealed
                                                                                                                                                                                                                                                                                                                                              BasicToolBarUI
                                                                                                                                                                                                                                                                                                                                                • + forRemoval
                                                                                                                                                                                                                                                                                                                                                javax.swing.plaf.synth
                                                                                                                                                                                                                                                                                                                                                  SynthPasswordFieldUI
                                                                                                                                                                                                                                                                                                                                                    javax.swing.text.html
                                                                                                                                                                                                                                                                                                                                                      • + final
                                                                                                                                                                                                                                                                                                                                                      • + final
                                                                                                                                                                                                                                                                                                                                                      • + final
                                                                                                                                                                                                                                                                                                                                                      javax.swing.text
                                                                                                                                                                                                                                                                                                                                                        DefaultEditorKit
                                                                                                                                                                                                                                                                                                                                                          • + final
                                                                                                                                                                                                                                                                                                                                                          • + final
                                                                                                                                                                                                                                                                                                                                                          • + final
                                                                                                                                                                                                                                                                                                                                                          • + final
                                                                                                                                                                                                                                                                                                                                                          • + sealed
                                                                                                                                                                                                                                                                                                                                                          javax.swing
                                                                                                                                                                                                                                                                                                                                                            • + sealed
                                                                                                                                                                                                                                                                                                                                                            • + sealed
                                                                                                                                                                                                                                                                                                                                                            • + final
                                                                                                                                                                                                                                                                                                                                                            • + final
                                                                                                                                                                                                                                                                                                                                                            java.management
                                                                                                                                                                                                                                                                                                                                                              java.lang.management
                                                                                                                                                                                                                                                                                                                                                                MemoryMXBean
                                                                                                                                                                                                                                                                                                                                                                  • + deprecated
                                                                                                                                                                                                                                                                                                                                                                  javax.management.loading
                                                                                                                                                                                                                                                                                                                                                                    • + deprecated
                                                                                                                                                                                                                                                                                                                                                                    • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                    • + deprecated
                                                                                                                                                                                                                                                                                                                                                                    • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                    • + deprecated
                                                                                                                                                                                                                                                                                                                                                                    • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                    • + deprecated
                                                                                                                                                                                                                                                                                                                                                                    • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                    java.net.http
                                                                                                                                                                                                                                                                                                                                                                      java.net.http
                                                                                                                                                                                                                                                                                                                                                                        HttpClient.Builder
                                                                                                                                                                                                                                                                                                                                                                          HttpRequest.Builder
                                                                                                                                                                                                                                                                                                                                                                            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 20.0.2+9-tem and 17.0.12+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.