The Java Version Almanac
javaalmanac.io
Feedback on this page?

New APIs in Java 23

Comparing Java 23 (23-ea+12-893-open) with Java 18 (18.0.2.1+1-tem).

Element Modification
java.base
    java.io
      BufferedInputStream
        • - final
        • + sealed
        DataInputStream
          • - final
          InvalidClassException
            InvalidObjectException
              • + final
              ObjectStreamException
                PushbackInputStream
                  SequenceInputStream
                    java.lang.constant
                      ConstantDescs
                        ClassDesc
                          MethodHandleDesc
                            MethodTypeDesc
                              • + abstract
                              java.lang.invoke
                                • + sealed
                                ClassSpecializer.Factory
                                ClassSpecializer.SpeciesData
                                • + sealed
                                MethodHandles
                                  StringConcatFactory
                                    • + sealed
                                    • - final
                                    java.lang.module
                                      ModuleDescriptor.Exports
                                        ModuleDescriptor.Opens
                                          ModuleDescriptor.Requires
                                            ModuleDescriptor
                                              java.lang.ref
                                                ReferenceQueue
                                                  • - throws IllegalArgumentException
                                                  • + sealed
                                                  java.lang.reflect
                                                    Executable
                                                      • + abstract
                                                      Field
                                                        Parameter
                                                          Member
                                                            java.lang.runtime
                                                              • - preview
                                                              java.lang
                                                                Character.UnicodeBlock
                                                                  Character
                                                                    Class
                                                                      Compiler
                                                                      Double
                                                                        FdLibm.Cbrt
                                                                        FdLibm.Hypot
                                                                        FdLibm.Pow
                                                                        Float
                                                                          Integer
                                                                            Long
                                                                              Math
                                                                                ModuleLayer.Controller
                                                                                  Module
                                                                                    StrictMath
                                                                                      • + implements Appendable
                                                                                      • + implements Appendable
                                                                                      String
                                                                                        • + deprecated
                                                                                        • + forRemoval
                                                                                        ThreadGroup
                                                                                          allowThreadSuspension(boolean)
                                                                                          resume()
                                                                                          stop()
                                                                                          suspend()
                                                                                          Thread
                                                                                            countStackFrames()
                                                                                            • + deprecated
                                                                                            resume()
                                                                                            suspend()
                                                                                            Character.UnicodeScript
                                                                                              StackWalker.Option
                                                                                                java.math
                                                                                                  BigDecimal
                                                                                                    BigInteger
                                                                                                      java.net
                                                                                                        Inet4Address
                                                                                                          Inet6Address
                                                                                                            • + sealed
                                                                                                            SocketException
                                                                                                              URL
                                                                                                                • + deprecated
                                                                                                                • + deprecated
                                                                                                                • + deprecated
                                                                                                                • + deprecated
                                                                                                                • + deprecated
                                                                                                                • + deprecated
                                                                                                                java.nio.channels
                                                                                                                  FileChannel
                                                                                                                    java.nio.charset
                                                                                                                      StandardCharsets
                                                                                                                        java.nio.file.spi
                                                                                                                          FileSystemProvider
                                                                                                                            java.nio.file
                                                                                                                              Path
                                                                                                                                java.nio
                                                                                                                                  • + sealed
                                                                                                                                  • + sealed
                                                                                                                                  • + sealed
                                                                                                                                  • + sealed
                                                                                                                                  • + sealed
                                                                                                                                  • + sealed
                                                                                                                                  • + sealed
                                                                                                                                  • + sealed
                                                                                                                                  • + sealed
                                                                                                                                  java.security.interfaces
                                                                                                                                    DSAKeyPairGenerator
                                                                                                                                      • - throws InvalidParameterException
                                                                                                                                      • - throws InvalidParameterException
                                                                                                                                      • + implements AlgorithmParameterSpec
                                                                                                                                      DSAPrivateKey
                                                                                                                                        DSAPublicKey
                                                                                                                                          ECPrivateKey
                                                                                                                                            ECPublicKey
                                                                                                                                              EdECPrivateKey
                                                                                                                                                EdECPublicKey
                                                                                                                                                  RSAPrivateKey
                                                                                                                                                    RSAPublicKey
                                                                                                                                                      XECPrivateKey
                                                                                                                                                        XECPublicKey
                                                                                                                                                          java.security.spec
                                                                                                                                                            PSSParameterSpec
                                                                                                                                                              • + deprecated
                                                                                                                                                              • + deprecated
                                                                                                                                                              java.security
                                                                                                                                                                InvalidParameterException
                                                                                                                                                                  • - implements Key
                                                                                                                                                                  • + implements AsymmetricKey
                                                                                                                                                                  • - implements Key
                                                                                                                                                                  • + implements AsymmetricKey
                                                                                                                                                                  java.text
                                                                                                                                                                    ChoiceFormat
                                                                                                                                                                      CompactNumberFormat
                                                                                                                                                                        DecimalFormatSymbols
                                                                                                                                                                          DecimalFormat
                                                                                                                                                                            MessageFormat
                                                                                                                                                                              SimpleDateFormat
                                                                                                                                                                                java.time.chrono
                                                                                                                                                                                  IsoChronology
                                                                                                                                                                                    JapaneseChronology
                                                                                                                                                                                      MinguoChronology
                                                                                                                                                                                        ThaiBuddhistChronology
                                                                                                                                                                                          Chronology
                                                                                                                                                                                            java.time.format
                                                                                                                                                                                              DateTimeFormatterBuilder
                                                                                                                                                                                                DateTimeFormatter
                                                                                                                                                                                                  java.time
                                                                                                                                                                                                    • + sealed
                                                                                                                                                                                                    ZoneOffset
                                                                                                                                                                                                      java.util.concurrent
                                                                                                                                                                                                        CompletableFuture
                                                                                                                                                                                                          • + final
                                                                                                                                                                                                          ConcurrentSkipListMap
                                                                                                                                                                                                            ConcurrentSkipListSet
                                                                                                                                                                                                              CopyOnWriteArrayList
                                                                                                                                                                                                                DelayQueue
                                                                                                                                                                                                                  Executors
                                                                                                                                                                                                                    ForkJoinPool
                                                                                                                                                                                                                      • + throws InterruptedException
                                                                                                                                                                                                                      ForkJoinTask
                                                                                                                                                                                                                        ForkJoinWorkerThread
                                                                                                                                                                                                                          FutureTask
                                                                                                                                                                                                                            • + final
                                                                                                                                                                                                                            • + implements AutoCloseable
                                                                                                                                                                                                                            Future
                                                                                                                                                                                                                              java.util.random
                                                                                                                                                                                                                                RandomGenerator
                                                                                                                                                                                                                                  java.util.regex
                                                                                                                                                                                                                                    Matcher
                                                                                                                                                                                                                                      Pattern
                                                                                                                                                                                                                                        MatchResult
                                                                                                                                                                                                                                          java.util.spi
                                                                                                                                                                                                                                            ToolProvider
                                                                                                                                                                                                                                              java.util.stream
                                                                                                                                                                                                                                                Stream
                                                                                                                                                                                                                                                  java.util.zip
                                                                                                                                                                                                                                                    ZipFile
                                                                                                                                                                                                                                                      ZipInputStream
                                                                                                                                                                                                                                                        java.util
                                                                                                                                                                                                                                                          ArrayList
                                                                                                                                                                                                                                                            • + final
                                                                                                                                                                                                                                                            Collections
                                                                                                                                                                                                                                                              • + sealed
                                                                                                                                                                                                                                                              HashMap
                                                                                                                                                                                                                                                                HashSet
                                                                                                                                                                                                                                                                  IdentityHashMap
                                                                                                                                                                                                                                                                    • + sealed
                                                                                                                                                                                                                                                                    • - implements Map
                                                                                                                                                                                                                                                                    • + implements SequencedMap
                                                                                                                                                                                                                                                                    • - implements Set
                                                                                                                                                                                                                                                                    • + implements SequencedSet
                                                                                                                                                                                                                                                                    LinkedList
                                                                                                                                                                                                                                                                      Locale
                                                                                                                                                                                                                                                                        • + deprecated
                                                                                                                                                                                                                                                                        • + deprecated
                                                                                                                                                                                                                                                                        • + deprecated
                                                                                                                                                                                                                                                                        Objects
                                                                                                                                                                                                                                                                          Random
                                                                                                                                                                                                                                                                            TreeMap
                                                                                                                                                                                                                                                                              TreeSet
                                                                                                                                                                                                                                                                                WeakHashMap
                                                                                                                                                                                                                                                                                  • + implements SequencedCollection
                                                                                                                                                                                                                                                                                  • - implements Collection
                                                                                                                                                                                                                                                                                  • + implements SequencedCollection
                                                                                                                                                                                                                                                                                  NavigableMap
                                                                                                                                                                                                                                                                                    NavigableSet
                                                                                                                                                                                                                                                                                      • - implements Map
                                                                                                                                                                                                                                                                                      • + implements SequencedMap
                                                                                                                                                                                                                                                                                      • + implements SequencedSet
                                                                                                                                                                                                                                                                                      javax.crypto.interfaces
                                                                                                                                                                                                                                                                                        DHPrivateKey
                                                                                                                                                                                                                                                                                          DHPublicKey
                                                                                                                                                                                                                                                                                            javax.crypto.spec
                                                                                                                                                                                                                                                                                              OAEPParameterSpec
                                                                                                                                                                                                                                                                                                • + deprecated
                                                                                                                                                                                                                                                                                                javax.crypto
                                                                                                                                                                                                                                                                                                  javax.net.ssl
                                                                                                                                                                                                                                                                                                    SSLHandshakeException
                                                                                                                                                                                                                                                                                                      SSLKeyException
                                                                                                                                                                                                                                                                                                        SSLParameters
                                                                                                                                                                                                                                                                                                          SSLPeerUnverifiedException
                                                                                                                                                                                                                                                                                                            SSLProtocolException
                                                                                                                                                                                                                                                                                                              SSLSessionContext
                                                                                                                                                                                                                                                                                                                • - throws IllegalArgumentException
                                                                                                                                                                                                                                                                                                                • - throws IllegalArgumentException
                                                                                                                                                                                                                                                                                                                java.compiler
                                                                                                                                                                                                                                                                                                                  javax.lang.model.element
                                                                                                                                                                                                                                                                                                                    ElementKind
                                                                                                                                                                                                                                                                                                                      RecordComponentElement
                                                                                                                                                                                                                                                                                                                        VariableElement
                                                                                                                                                                                                                                                                                                                          javax.lang.model.util
                                                                                                                                                                                                                                                                                                                            ElementScanner6
                                                                                                                                                                                                                                                                                                                              Elements
                                                                                                                                                                                                                                                                                                                                Types
                                                                                                                                                                                                                                                                                                                                  javax.lang.model
                                                                                                                                                                                                                                                                                                                                    SourceVersion
                                                                                                                                                                                                                                                                                                                                      java.desktop
                                                                                                                                                                                                                                                                                                                                        java.awt.color
                                                                                                                                                                                                                                                                                                                                          • + final
                                                                                                                                                                                                                                                                                                                                          • + final
                                                                                                                                                                                                                                                                                                                                          • + sealed
                                                                                                                                                                                                                                                                                                                                          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.peer
                                                                                                                                                                                                                                                                                                                                                                WindowPeer
                                                                                                                                                                                                                                                                                                                                                                  java.awt
                                                                                                                                                                                                                                                                                                                                                                    • + final
                                                                                                                                                                                                                                                                                                                                                                    • + sealed
                                                                                                                                                                                                                                                                                                                                                                    • + final
                                                                                                                                                                                                                                                                                                                                                                    • + final
                                                                                                                                                                                                                                                                                                                                                                    • + sealed
                                                                                                                                                                                                                                                                                                                                                                    javax.sound.midi
                                                                                                                                                                                                                                                                                                                                                                      • + final
                                                                                                                                                                                                                                                                                                                                                                      javax.swing.plaf.basic
                                                                                                                                                                                                                                                                                                                                                                        BasicDirectoryModel
                                                                                                                                                                                                                                                                                                                                                                          • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                          • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                          • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                          • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                          • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                          • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                          • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                          • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                          • + sealed
                                                                                                                                                                                                                                                                                                                                                                          BasicToolBarUI
                                                                                                                                                                                                                                                                                                                                                                            • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                            javax.swing.plaf.synth
                                                                                                                                                                                                                                                                                                                                                                              SynthComboBoxUI
                                                                                                                                                                                                                                                                                                                                                                                SynthLookAndFeel
                                                                                                                                                                                                                                                                                                                                                                                  • + deprecated
                                                                                                                                                                                                                                                                                                                                                                                  • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                                  SynthPasswordFieldUI
                                                                                                                                                                                                                                                                                                                                                                                    SynthTreeUI
                                                                                                                                                                                                                                                                                                                                                                                      javax.swing.text.html
                                                                                                                                                                                                                                                                                                                                                                                        AccessibleHTML.HTMLAccessibleContext
                                                                                                                                                                                                                                                                                                                                                                                          • + final
                                                                                                                                                                                                                                                                                                                                                                                          • + final
                                                                                                                                                                                                                                                                                                                                                                                          • + final
                                                                                                                                                                                                                                                                                                                                                                                          javax.swing.text
                                                                                                                                                                                                                                                                                                                                                                                            DefaultEditorKit
                                                                                                                                                                                                                                                                                                                                                                                              • + final
                                                                                                                                                                                                                                                                                                                                                                                              • + final
                                                                                                                                                                                                                                                                                                                                                                                              • + final
                                                                                                                                                                                                                                                                                                                                                                                              • + final
                                                                                                                                                                                                                                                                                                                                                                                              • + sealed
                                                                                                                                                                                                                                                                                                                                                                                              javax.swing
                                                                                                                                                                                                                                                                                                                                                                                                • + sealed
                                                                                                                                                                                                                                                                                                                                                                                                • + sealed
                                                                                                                                                                                                                                                                                                                                                                                                • + final
                                                                                                                                                                                                                                                                                                                                                                                                JFileChooser
                                                                                                                                                                                                                                                                                                                                                                                                  JScrollBar
                                                                                                                                                                                                                                                                                                                                                                                                    • added
                                                                                                                                                                                                                                                                                                                                                                                                    • added
                                                                                                                                                                                                                                                                                                                                                                                                    • + final
                                                                                                                                                                                                                                                                                                                                                                                                    java.management.rmi
                                                                                                                                                                                                                                                                                                                                                                                                      javax.management.remote.rmi
                                                                                                                                                                                                                                                                                                                                                                                                        RMIIIOPServerImpl
                                                                                                                                                                                                                                                                                                                                                                                                        java.management
                                                                                                                                                                                                                                                                                                                                                                                                          javax.management.loading
                                                                                                                                                                                                                                                                                                                                                                                                            MLetContent
                                                                                                                                                                                                                                                                                                                                                                                                            MLet
                                                                                                                                                                                                                                                                                                                                                                                                            PrivateMLet
                                                                                                                                                                                                                                                                                                                                                                                                            MLetMBean
                                                                                                                                                                                                                                                                                                                                                                                                            javax.management.remote
                                                                                                                                                                                                                                                                                                                                                                                                              JMXConnector
                                                                                                                                                                                                                                                                                                                                                                                                                • + deprecated
                                                                                                                                                                                                                                                                                                                                                                                                                • + forRemoval
                                                                                                                                                                                                                                                                                                                                                                                                                java.net.http
                                                                                                                                                                                                                                                                                                                                                                                                                  java.net.http
                                                                                                                                                                                                                                                                                                                                                                                                                    • + implements AutoCloseable
                                                                                                                                                                                                                                                                                                                                                                                                                    HttpClient.Builder
                                                                                                                                                                                                                                                                                                                                                                                                                      java.xml.crypto
                                                                                                                                                                                                                                                                                                                                                                                                                        javax.xml.crypto.dsig
                                                                                                                                                                                                                                                                                                                                                                                                                          SignatureMethod
                                                                                                                                                                                                                                                                                                                                                                                                                            java.xml
                                                                                                                                                                                                                                                                                                                                                                                                                              javax.xml.catalog
                                                                                                                                                                                                                                                                                                                                                                                                                                CatalogManager
                                                                                                                                                                                                                                                                                                                                                                                                                                  GroupEntry.ResolveType

                                                                                                                                                                                                                                                                                                                                                                                                                                  This report is based on simple comparison of all public and protected APIs of the java.* and javax.* packages of JDK builds 23-ea+12-893-open and 18.0.2.1+1-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.