The Java Version Almanac
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New APIs in Java 24

Comparing Java 24 (24-ea+8-851-open) with Java 19 (19.0.2+7-tem).

Element Modification
java.base
    java.io
      BufferedInputStream
        • - final
        • + sealed
        ObjectOutputStream.PutField
          • + forRemoval
          PushbackInputStream
            SequenceInputStream
              java.lang.constant
                ConstantDescs
                  ClassDesc
                    MethodHandleDesc
                      MethodTypeDesc
                        • + abstract
                        java.lang.foreign
                          ValueLayout.OfAddress
                          • removed preview
                          Addressable
                          • - preview
                          • + abstract
                          • + abstract
                          • + abstract
                          asVariadic(MemoryLayout...)
                          • + abstract
                          • + abstract
                          equals(Object)
                          firstVariadicArgumentIndex()
                          hashCode()
                          • + abstract
                          • + abstract
                          toString()
                          • - extends AbstractLayout
                          • - final
                          • - preview
                          • + abstract
                          • + extends Object
                          • + sealed
                          equals(Object)
                          hashCode()
                          isStruct()
                          isUnion()
                          • + abstract
                          toString()
                          withBitAlignment(long)
                          • + abstract
                          • - preview
                          downcallHandle(Addressable, FunctionDescriptor)
                          downcallHandle(FunctionDescriptor)
                          downcallType(FunctionDescriptor)
                          upcallStub(MethodHandle, FunctionDescriptor,...
                          upcallType(FunctionDescriptor)
                          MemoryAddress
                          • - preview
                          • - preview
                          bitAlignment()
                          bitOffset(MemoryLayout.PathElement...)
                          bitOffsetHandle(MemoryLayout.PathElement...)
                          bitSize()
                          • + abstract
                          • + abstract
                          • + abstract
                          isPadding()
                          paddingLayout(long)
                          • + abstract
                          • + abstract
                          structLayout(MemoryLayout...)
                          unionLayout(MemoryLayout...)
                          valueLayout(Class, ByteOrder)
                          • + abstract
                          withBitAlignment(long)
                          • - implements Addressable
                          • - preview
                          address()
                          allocateNative(MemoryLayout, MemorySession)
                          allocateNative(long, MemorySession)
                          allocateNative(long, long, MemorySession)
                          • + abstract
                          • + abstract
                          get(ValueLayout.OfAddress, long)
                          • + abstract
                          • + abstract
                          • + abstract
                          • + abstract
                          • + abstract
                          • + abstract
                          • + abstract
                          • + abstract
                          getAtIndex(ValueLayout.OfAddress, long)
                          • + abstract
                          • + abstract
                          • + abstract
                          • + abstract
                          • + abstract
                          • + abstract
                          getUtf8String(long)
                          ofAddress(MemoryAddress, long, MemorySession)
                          segmentOffset(MemorySegment)
                          session()
                          set(ValueLayout.OfAddress, long, Addressable)
                          • + abstract
                          • + abstract
                          • + abstract
                          • + abstract
                          • + abstract
                          • + abstract
                          • + abstract
                          • + abstract
                          setAtIndex(ValueLayout.OfAddress, long,...
                          • + abstract
                          • + abstract
                          • + abstract
                          • + abstract
                          • + abstract
                          • + abstract
                          setUtf8String(long, String)
                          MemorySession
                          • - preview
                          allocate(ValueLayout.OfAddress, Addressable)
                          allocate(ValueLayout.OfByte, byte)
                          allocate(ValueLayout.OfChar, char)
                          allocate(ValueLayout.OfDouble, double)
                          allocate(ValueLayout.OfFloat, float)
                          allocate(ValueLayout.OfInt, int)
                          allocate(ValueLayout.OfLong, long)
                          allocate(ValueLayout.OfShort, short)
                          allocateArray(MemoryLayout, long)
                          allocateArray(ValueLayout.OfByte, byte...)
                          allocateArray(ValueLayout.OfChar, char...)
                          allocateArray(ValueLayout.OfDouble, double...)
                          allocateArray(ValueLayout.OfFloat, float...)
                          allocateArray(ValueLayout.OfInt, int...)
                          allocateArray(ValueLayout.OfLong, long...)
                          allocateArray(ValueLayout.OfShort, short...)
                          allocateUtf8String(String)
                          implicitAllocator()
                          newNativeArena(MemorySession)
                          newNativeArena(long, MemorySession)
                          newNativeArena(long, long, MemorySession)
                          • - extends AbstractLayout
                          • - final
                          • - preview
                          • + abstract
                          • + extends Object
                          • + sealed
                          • + abstract
                          • + abstract
                          equals(Object)
                          • + abstract
                          hashCode()
                          • + abstract
                          toString()
                          withBitAlignment(long)
                          • + abstract
                          • + abstract
                          • - preview
                          libraryLookup(Path, MemorySession)
                          libraryLookup(String, MemorySession)
                          lookup(String)
                          VaList.Builder
                          VaList
                          • - extends ValueLayout
                          • - final
                          • - preview
                          • + abstract
                          • + extends Object
                          • + implements ValueLayout
                          • + sealed
                          withBitAlignment(long)
                          • + abstract
                          • + abstract
                          • - extends ValueLayout
                          • - final
                          • - preview
                          • + abstract
                          • + extends Object
                          • + implements ValueLayout
                          • + sealed
                          withBitAlignment(long)
                          • + abstract
                          • + abstract
                          • - extends ValueLayout
                          • - final
                          • - preview
                          • + abstract
                          • + extends Object
                          • + implements ValueLayout
                          • + sealed
                          withBitAlignment(long)
                          • + abstract
                          • + abstract
                          • - extends ValueLayout
                          • - final
                          • - preview
                          • + abstract
                          • + extends Object
                          • + implements ValueLayout
                          • + sealed
                          withBitAlignment(long)
                          • + abstract
                          • + abstract
                          • - extends ValueLayout
                          • - final
                          • - preview
                          • + abstract
                          • + extends Object
                          • + implements ValueLayout
                          • + sealed
                          withBitAlignment(long)
                          • + abstract
                          • + abstract
                          • - extends ValueLayout
                          • - final
                          • - preview
                          • + abstract
                          • + extends Object
                          • + implements ValueLayout
                          • + sealed
                          withBitAlignment(long)
                          • + abstract
                          • + abstract
                          • - extends ValueLayout
                          • - final
                          • - preview
                          • + abstract
                          • + extends Object
                          • + implements ValueLayout
                          • + sealed
                          withBitAlignment(long)
                          • + abstract
                          • + abstract
                          • - extends ValueLayout
                          • - final
                          • - preview
                          • + abstract
                          • + extends Object
                          • + implements ValueLayout
                          • + sealed
                          withBitAlignment(long)
                          • + abstract
                          • + abstract
                          • - extends AbstractLayout
                          • - preview
                          • + abstract
                          • + extends Object
                          arrayElementVarHandle(int...)
                          • + abstract
                          equals(Object)
                          hashCode()
                          • + abstract
                          toString()
                          withBitAlignment(long)
                          • + abstract
                          • + abstract
                          java.lang.invoke
                            ClassSpecializer.Factory
                            ClassSpecializer.SpeciesData
                            MethodHandles
                              • - preview
                              • - preview
                              • - preview
                              • - preview
                              • - preview
                              memorySegmentViewVarHandle(ValueLayout)
                              • - preview
                              VarHandle
                                • - final
                                java.lang.module
                                  ModuleDescriptor.Exports
                                    ModuleDescriptor.Opens
                                      ModuleDescriptor.Requires
                                        ModuleDescriptor
                                          java.lang.reflect
                                            Executable
                                              • + abstract
                                              Field
                                                Parameter
                                                  Member
                                                    java.lang.runtime
                                                      • - preview
                                                      java.lang
                                                        Character.UnicodeBlock
                                                          Character
                                                            Class
                                                              Compiler
                                                              FdLibm.Cbrt
                                                              FdLibm.Hypot
                                                              FdLibm.Pow
                                                              Float
                                                                • - preview
                                                                Math
                                                                  ModuleLayer.Controller
                                                                    Module
                                                                      Process
                                                                        • added
                                                                        StrictMath
                                                                          • + implements Appendable
                                                                          • + implements Appendable
                                                                          String
                                                                            • + deprecated
                                                                            • + forRemoval
                                                                            ThreadGroup
                                                                              allowThreadSuspension(boolean)
                                                                              resume()
                                                                              stop()
                                                                              suspend()
                                                                              Thread
                                                                                countStackFrames()
                                                                                • - preview
                                                                                • - preview
                                                                                • - preview
                                                                                resume()
                                                                                • - preview
                                                                                suspend()
                                                                                Character.UnicodeScript
                                                                                  StackWalker.Option
                                                                                    • - preview
                                                                                    allowSetThreadLocals(boolean)
                                                                                    • - preview
                                                                                    allowSetThreadLocals(boolean)
                                                                                    • - preview
                                                                                    allowSetThreadLocals(boolean)
                                                                                    java.net
                                                                                      DatagramSocketImpl
                                                                                        • + forRemoval
                                                                                        • + forRemoval
                                                                                        Inet4Address
                                                                                          Inet6Address
                                                                                            InetAddress
                                                                                              MulticastSocket
                                                                                                • + forRemoval
                                                                                                • + forRemoval
                                                                                                • + forRemoval
                                                                                                Socket
                                                                                                  • + forRemoval
                                                                                                  • + forRemoval
                                                                                                  URL
                                                                                                    • + deprecated
                                                                                                    • + deprecated
                                                                                                    • + deprecated
                                                                                                    • + deprecated
                                                                                                    • + deprecated
                                                                                                    • + deprecated
                                                                                                    java.nio.channels
                                                                                                      FileChannel
                                                                                                        map(FileChannel.MapMode, long, long,...
                                                                                                        java.nio.charset
                                                                                                          StandardCharsets
                                                                                                            java.nio.file.spi
                                                                                                              FileSystemProvider
                                                                                                                java.nio.file
                                                                                                                  Path
                                                                                                                    java.security.interfaces
                                                                                                                      DSAKeyPairGenerator
                                                                                                                        • - throws InvalidParameterException
                                                                                                                        • - throws InvalidParameterException
                                                                                                                        • + implements AlgorithmParameterSpec
                                                                                                                        DSAPrivateKey
                                                                                                                          DSAPublicKey
                                                                                                                            ECPrivateKey
                                                                                                                              ECPublicKey
                                                                                                                                EdECPrivateKey
                                                                                                                                  EdECPublicKey
                                                                                                                                    RSAPrivateKey
                                                                                                                                      RSAPublicKey
                                                                                                                                        XECPrivateKey
                                                                                                                                          XECPublicKey
                                                                                                                                            java.security
                                                                                                                                              InvalidParameterException
                                                                                                                                                • - implements Key
                                                                                                                                                • + implements AsymmetricKey
                                                                                                                                                • - implements Key
                                                                                                                                                • + implements AsymmetricKey
                                                                                                                                                java.text
                                                                                                                                                  ChoiceFormat
                                                                                                                                                    CompactNumberFormat
                                                                                                                                                      DecimalFormat
                                                                                                                                                        MessageFormat
                                                                                                                                                          NumberFormat
                                                                                                                                                            SimpleDateFormat
                                                                                                                                                              java.time
                                                                                                                                                                Instant
                                                                                                                                                                  java.util.concurrent
                                                                                                                                                                    ConcurrentSkipListMap
                                                                                                                                                                      ConcurrentSkipListSet
                                                                                                                                                                        CopyOnWriteArrayList
                                                                                                                                                                          DelayQueue
                                                                                                                                                                            Executors
                                                                                                                                                                              • - preview
                                                                                                                                                                              • - preview
                                                                                                                                                                              ForkJoinPool
                                                                                                                                                                                • + throws InterruptedException
                                                                                                                                                                                ForkJoinTask
                                                                                                                                                                                  ForkJoinWorkerThread
                                                                                                                                                                                    java.util.random
                                                                                                                                                                                      RandomGenerator
                                                                                                                                                                                        java.util.regex
                                                                                                                                                                                          Matcher
                                                                                                                                                                                            Pattern
                                                                                                                                                                                              MatchResult
                                                                                                                                                                                                java.util.stream
                                                                                                                                                                                                  Stream
                                                                                                                                                                                                    java.util.zip
                                                                                                                                                                                                      Deflater
                                                                                                                                                                                                        • + deprecated
                                                                                                                                                                                                        • + deprecated
                                                                                                                                                                                                        Inflater
                                                                                                                                                                                                          • + deprecated
                                                                                                                                                                                                          • + deprecated
                                                                                                                                                                                                          ZipFile
                                                                                                                                                                                                            ZipInputStream
                                                                                                                                                                                                              java.util
                                                                                                                                                                                                                ArrayList
                                                                                                                                                                                                                  • + final
                                                                                                                                                                                                                  Collections
                                                                                                                                                                                                                    IdentityHashMap
                                                                                                                                                                                                                      • - implements Map
                                                                                                                                                                                                                      • + implements SequencedMap
                                                                                                                                                                                                                      • - implements Set
                                                                                                                                                                                                                      • + implements SequencedSet
                                                                                                                                                                                                                      LinkedList
                                                                                                                                                                                                                        Locale
                                                                                                                                                                                                                          TreeMap
                                                                                                                                                                                                                            TreeSet
                                                                                                                                                                                                                              • + implements SequencedCollection
                                                                                                                                                                                                                              • - implements Collection
                                                                                                                                                                                                                              • + implements SequencedCollection
                                                                                                                                                                                                                              NavigableMap
                                                                                                                                                                                                                                NavigableSet
                                                                                                                                                                                                                                  • - implements Map
                                                                                                                                                                                                                                  • + implements SequencedMap
                                                                                                                                                                                                                                  • + implements SequencedSet
                                                                                                                                                                                                                                  javax.crypto.interfaces
                                                                                                                                                                                                                                    DHPrivateKey
                                                                                                                                                                                                                                      DHPublicKey
                                                                                                                                                                                                                                        javax.crypto
                                                                                                                                                                                                                                          javax.net.ssl
                                                                                                                                                                                                                                            KeyManagerFactory
                                                                                                                                                                                                                                              • + final
                                                                                                                                                                                                                                              SSLParameters
                                                                                                                                                                                                                                                TrustManagerFactory
                                                                                                                                                                                                                                                  • + final
                                                                                                                                                                                                                                                  java.compiler
                                                                                                                                                                                                                                                    javax.lang.model.element
                                                                                                                                                                                                                                                      RecordComponentElement
                                                                                                                                                                                                                                                        VariableElement
                                                                                                                                                                                                                                                          javax.lang.model.util
                                                                                                                                                                                                                                                            ElementScanner6
                                                                                                                                                                                                                                                              Elements
                                                                                                                                                                                                                                                                Types
                                                                                                                                                                                                                                                                  javax.lang.model
                                                                                                                                                                                                                                                                    SourceVersion
                                                                                                                                                                                                                                                                      javax.tools
                                                                                                                                                                                                                                                                        SimpleJavaFileObject
                                                                                                                                                                                                                                                                          java.desktop
                                                                                                                                                                                                                                                                            java.awt.peer
                                                                                                                                                                                                                                                                              WindowPeer
                                                                                                                                                                                                                                                                                java.beans.beancontext
                                                                                                                                                                                                                                                                                  • + deprecated
                                                                                                                                                                                                                                                                                  • + forRemoval
                                                                                                                                                                                                                                                                                  • + deprecated
                                                                                                                                                                                                                                                                                  • + forRemoval
                                                                                                                                                                                                                                                                                  • + deprecated
                                                                                                                                                                                                                                                                                  • + forRemoval
                                                                                                                                                                                                                                                                                  • + deprecated
                                                                                                                                                                                                                                                                                  • + forRemoval
                                                                                                                                                                                                                                                                                  • + deprecated
                                                                                                                                                                                                                                                                                  • + forRemoval
                                                                                                                                                                                                                                                                                  • + deprecated
                                                                                                                                                                                                                                                                                  • + forRemoval
                                                                                                                                                                                                                                                                                  • + deprecated
                                                                                                                                                                                                                                                                                  • + forRemoval
                                                                                                                                                                                                                                                                                  • + deprecated
                                                                                                                                                                                                                                                                                  • + forRemoval
                                                                                                                                                                                                                                                                                  • + deprecated
                                                                                                                                                                                                                                                                                  • + forRemoval
                                                                                                                                                                                                                                                                                  • + deprecated
                                                                                                                                                                                                                                                                                  • + forRemoval
                                                                                                                                                                                                                                                                                  • + deprecated
                                                                                                                                                                                                                                                                                  • + forRemoval
                                                                                                                                                                                                                                                                                  • + deprecated
                                                                                                                                                                                                                                                                                  • + forRemoval
                                                                                                                                                                                                                                                                                  • + deprecated
                                                                                                                                                                                                                                                                                  • + forRemoval
                                                                                                                                                                                                                                                                                  • + deprecated
                                                                                                                                                                                                                                                                                  • + forRemoval
                                                                                                                                                                                                                                                                                  • + deprecated
                                                                                                                                                                                                                                                                                  • + forRemoval
                                                                                                                                                                                                                                                                                  • + deprecated
                                                                                                                                                                                                                                                                                  • + forRemoval
                                                                                                                                                                                                                                                                                  • + deprecated
                                                                                                                                                                                                                                                                                  • + forRemoval
                                                                                                                                                                                                                                                                                  • + deprecated
                                                                                                                                                                                                                                                                                  • + forRemoval
                                                                                                                                                                                                                                                                                  java.beans
                                                                                                                                                                                                                                                                                    Beans
                                                                                                                                                                                                                                                                                      • + deprecated
                                                                                                                                                                                                                                                                                      • + forRemoval
                                                                                                                                                                                                                                                                                      javax.print.attribute.standard
                                                                                                                                                                                                                                                                                        javax.swing.plaf.basic
                                                                                                                                                                                                                                                                                          BasicSliderUI
                                                                                                                                                                                                                                                                                            • + deprecated
                                                                                                                                                                                                                                                                                            • + forRemoval
                                                                                                                                                                                                                                                                                            BasicSplitPaneDivider
                                                                                                                                                                                                                                                                                              • added
                                                                                                                                                                                                                                                                                              javax.swing.plaf.synth
                                                                                                                                                                                                                                                                                                SynthComboBoxUI
                                                                                                                                                                                                                                                                                                  SynthLookAndFeel
                                                                                                                                                                                                                                                                                                    • + deprecated
                                                                                                                                                                                                                                                                                                    • + forRemoval
                                                                                                                                                                                                                                                                                                    SynthPasswordFieldUI
                                                                                                                                                                                                                                                                                                      SynthTreeUI
                                                                                                                                                                                                                                                                                                        javax.swing.text.html
                                                                                                                                                                                                                                                                                                          AccessibleHTML.HTMLAccessibleContext
                                                                                                                                                                                                                                                                                                            javax.swing.text
                                                                                                                                                                                                                                                                                                              DefaultEditorKit
                                                                                                                                                                                                                                                                                                                javax.swing
                                                                                                                                                                                                                                                                                                                  JFileChooser
                                                                                                                                                                                                                                                                                                                    JScrollBar
                                                                                                                                                                                                                                                                                                                      JSplitPane
                                                                                                                                                                                                                                                                                                                        • added
                                                                                                                                                                                                                                                                                                                        • added
                                                                                                                                                                                                                                                                                                                        java.management.rmi
                                                                                                                                                                                                                                                                                                                          javax.management.remote.rmi
                                                                                                                                                                                                                                                                                                                            RMIConnector
                                                                                                                                                                                                                                                                                                                              getMBeanServerConnection(Subject)
                                                                                                                                                                                                                                                                                                                              RMIIIOPServerImpl
                                                                                                                                                                                                                                                                                                                              java.management
                                                                                                                                                                                                                                                                                                                                javax.management.loading
                                                                                                                                                                                                                                                                                                                                  MLetContent
                                                                                                                                                                                                                                                                                                                                  MLet
                                                                                                                                                                                                                                                                                                                                  PrivateMLet
                                                                                                                                                                                                                                                                                                                                  MLetMBean
                                                                                                                                                                                                                                                                                                                                  javax.management.remote
                                                                                                                                                                                                                                                                                                                                    JMXConnector
                                                                                                                                                                                                                                                                                                                                      • - abstract
                                                                                                                                                                                                                                                                                                                                      • + deprecated
                                                                                                                                                                                                                                                                                                                                      • + forRemoval
                                                                                                                                                                                                                                                                                                                                      java.net.http
                                                                                                                                                                                                                                                                                                                                        java.net.http
                                                                                                                                                                                                                                                                                                                                          • + implements AutoCloseable
                                                                                                                                                                                                                                                                                                                                          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 24-ea+8-851-open and 19.0.2+7-tem. It does not make statements about compatibility.

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