Java 14

version: 14 Release date: 2020-03-17 EOL date: 2020-09-15 bytecode: 58.0

Documentation: notes , vm , lang , api SCM: hg

Distro	Vendor	License	Platforms
AdoptOpenJDK	AdoptOpenJDK	GPLv2+CE	aix-ppc64 linux-arm32 linux-arm64 linux-ppc64le linux-s390x linux-x64 macos-x64 windows-x86 windows-x64
Azul Zulu Builds of OpenJDK 14	Azul Systems	GPLv2+CE	alpine-x64 linux-x86 linux-x64 macos-x64 windows-x86 windows-x64
Liberica	BellSoft	GPLv2+CE	alpine-x64 linux-arm32 linux-arm64 linux-ppc64le linux-x86 linux-x64 macos-x64 windows-x86 windows-x64
Oracle JDK 14	Oracle	Commercial	linux-x64 macos-x64 windows-x64
Red Hat build of OpenJDK 14	Red Hat	GPLv2+CE	windows-x64
SapMachine 14	SAP	GPLv2+CE	linux-ppc64 linux-ppc64le linux-x64 macos-x64 windows-x64

Technology Compatibility Kit

New Features

JVM

NUMA-Aware Memory Allocation for G1 ( JEP 345 )
JFR Event Streaming ( JEP 349 )
Helpful NullPointerExceptions ( JEP 358 )
Deprecate the Solaris and SPARC Ports ( JEP 362 )
Remove the Concurrent Mark Sweep (CMS) Garbage Collector ( JEP 363 )
ZGC on macOS ( JEP 364 )
ZGC on Windows ( JEP 365 )
Deprecate the ParallelScavenge + SerialOld GC Combination ( JEP 366 )

Language

Switch Expressions ( JEP 361 )
Records Preview ( JEP 359 )
Text Blocks Preview ( JEP 368 )
Pattern Matching for instanceof Preview ( JEP 305 )

API

Non-Volatile Mapped Byte Buffers ( JEP 352 )
Remove the Pack200 APIs ( JEP 367 )

Tools

Remove the Pack200 Tools ( JEP 367 )
Packaging Tool (Incubator) ( JEP 343 )

New APIs

Compare to Java:

base: version: 14 build 14.0.2+12

target: version: 13 build 13.0.2+8

m
java.base
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  java.io
  - a
    Serial
    
    added
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    PrintStream
    - m
      write(byte[])
      
      added
    - m
      writeBytes(byte[])
      
      added
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  java.lang.annotation
  - e
    ElementType
    - f
      RECORD_COMPONENT
      
      added
- p
  java.lang.invoke
  - c
    ClassSpecializer.Factory
    - m
      Factory(ClassSpecializer)
      
      removed
  - c
    ConstantBootstraps
    - m
      ConstantBootstraps()
      
      deprecated
      
      forRemoval
  - c
    MethodHandles.Lookup
    - m
      hasFullPrivilegeAccess()
      
      added
    - m
      hasPrivateAccess()
      
      deprecated
    - m
      previousLookupClass()
      
      added
- p
  java.lang.reflect
  - c
    Modifier
    - m
      Modifier()
      
      deprecated
      
      forRemoval
  - c
    RecordComponent
    
    added
- p
  java.lang.runtime
  
  added
- p
  java.lang
  - c
    Class
    - m
      getRecordComponents()
      
      added
    - m
      isRecord()
      
      added
  - c
    LiveStackFrame.PrimitiveSlot
    - m
      PrimitiveSlot()
      
      removed
  - c
    NullPointerException
    - m
      getMessage()
      
      added
  - c
    Record
    
    added
  - c
    StrictMath
    - m
      decrementExact(int)
      
      added
    - m
      decrementExact(long)
      
      added
    - m
      incrementExact(int)
      
      added
    - m
      incrementExact(long)
      
      added
    - m
      negateExact(int)
      
      added
    - m
      negateExact(long)
      
      added
  - c
    String
    - m
      formatted(Object...)
      
      preview
    - m
      stripIndent()
      
      preview
    - m
      translateEscapes()
      
      preview
  - c
    ThreadGroup
    - m
      allowThreadSuspension(boolean)
      
      forRemoval
    - m
      resume()
      
      forRemoval
    - m
      suspend()
      
      forRemoval
  - c
    Thread
    - m
      resume()
      
      forRemoval
    - m
      suspend()
      
      forRemoval
- p
  java.net
  - c
    MulticastSocket
    - m
      getInterface()
      
      deprecated
    - m
      getLoopbackMode()
      
      deprecated
    - m
      joinGroup(InetAddress)
      
      deprecated
    - m
      leaveGroup(InetAddress)
      
      deprecated
    - m
      setInterface(InetAddress)
      
      deprecated
    - m
      setLoopbackMode(boolean)
      
      deprecated
- p
  java.security.acl
  
  removed
- p
  java.text
  - c
    CompactNumberFormat
    - m
      CompactNumberFormat(String, DecimalFormatSymbols, String[], String)
      
      added
- p
  java.util.concurrent.locks
  - c
    AbstractQueuedLongSynchronizer
    - m
      AbstractQueuedLongSynchronizer()
      
      public
  - c
    LockSupport
    - m
      setCurrentBlocker(Object)
      
      added
- p
  java.util.jar
  - c
    Pack200
    
    removed
  - i
    Pack200.Packer
    
    removed
  - i
    Pack200.Unpacker
    
    removed
- p
  java.util
  - c
    HashSet
    - m
      toArray()
      
      added
    - m
      toArray(Object[])
      
      added
m
java.compiler
- p
  javax.lang.model.element
  - e
    ElementKind
    - f
      BINDING_VARIABLE
      
      added
    - f
      RECORD
      
      added
    - f
      RECORD_COMPONENT
      
      added
  - i
    ElementVisitor
    - m
      visitRecordComponent(RecordComponentElement, Object)
      
      added
  - i
    RecordComponentElement
    
    added
  - i
    TypeElement
    - m
      getRecordComponents()
      
      added
- p
  javax.lang.model.util
  - c
    AbstractAnnotationValueVisitor14
    
    added
  - c
    AbstractElementVisitor14
    
    added
  - c
    AbstractElementVisitor6
    - m
      visitRecordComponent(RecordComponentElement, Object)
      
      added
  - c
    AbstractTypeVisitor14
    
    added
  - c
    ElementFilter
    - m
      recordComponentsIn(Iterable)
      
      added
    - m
      recordComponentsIn(Set)
      
      added
  - c
    ElementKindVisitor14
    
    added
  - c
    ElementKindVisitor6
    - m
      visitTypeAsRecord(TypeElement, Object)
      
      added
    - m
      visitVariableAsBindingVariable(VariableElement, Object)
      
      added
  - c
    ElementScanner14
    
    added
  - c
    SimpleAnnotationValueVisitor14
    
    added
  - c
    SimpleElementVisitor14
    
    added
  - c
    SimpleTypeVisitor14
    
    added
  - c
    TypeKindVisitor14
    
    added
  - i
    Elements
    - m
      recordComponentFor(ExecutableElement)
      
      added
- p
  javax.lang.model
  - e
    SourceVersion
    - f
      RELEASE_14
      
      added
- p
  javax.tools
  - c
    ToolProvider
    - m
      ToolProvider()
      
      deprecated
      
      forRemoval

base: version: 14 build 14.0.2+12

target: version: 12 build 12.0.2+10

base: version: 14 build 14.0.2+12

target: version: 11 build 11.0.15+10

m
java.base
- p
  java.io
  - a
    Serial
    
    added
  - c
    FileInputStream
    - m
      finalize()
      
      removed
  - c
    FileOutputStream
    - m
      finalize()
      
      removed
  - c
    InputStream
    - m
      skipNBytes(long)
      
      added
  - c
    PrintStream
    - m
      write(byte[])
      
      added
    - m
      writeBytes(byte[])
      
      added
- p
  java.lang.annotation
  - e
    ElementType
    - f
      RECORD_COMPONENT
      
      added
- p
  java.lang.constant
  
  added
- p
  java.lang.invoke
  - c
    ClassSpecializer.Factory
    - m
      Factory(ClassSpecializer)
      
      removed
  - c
    ConstantBootstraps
    - m
      ConstantBootstraps()
      
      deprecated
      
      forRemoval
  - c
    MethodHandle
    
    implements Constable
    - m
      describeConstable()
      
      added
  - c
    MethodHandles.Lookup
    - m
      hasFullPrivilegeAccess()
      
      added
    - m
      hasPrivateAccess()
      
      deprecated
    - m
      previousLookupClass()
      
      added
  - c
    MethodType
    
    implements Constable
    
    implements TypeDescriptor.OfMethod
    - m
      describeConstable()
      
      added
    - m
      descriptorString()
      
      added
  - c
    VarHandle.VarHandleDesc
    
    added
  - c
    VarHandle
    
    implements Constable
    - m
      describeConstable()
      
      added
    - m
      toString()
      
      added
  - i
    TypeDescriptor.OfField
    
    added
  - i
    TypeDescriptor.OfMethod
    
    added
  - i
    TypeDescriptor
    
    added
- p
  java.lang.reflect
  - c
    Modifier
    - m
      Modifier()
      
      deprecated
      
      forRemoval
  - c
    RecordComponent
    
    added
  - c
    UndeclaredThrowableException
    - m
      getCause()
      
      removed
- p
  java.lang.runtime
  
  added
- p
  java.lang
  - c
    Character.UnicodeBlock
    - f
      CHESS_SYMBOLS
      
      added
    - f
      DOGRA
      
      added
    - f
      EGYPTIAN_HIEROGLYPH_FORMAT_CONTROLS
      
      added
    - f
      ELYMAIC
      
      added
    - f
      GEORGIAN_EXTENDED
      
      added
    - f
      GUNJALA_GONDI
      
      added
    - f
      HANIFI_ROHINGYA
      
      added
    - f
      INDIC_SIYAQ_NUMBERS
      
      added
    - f
      MAKASAR
      
      added
    - f
      MAYAN_NUMERALS
      
      added
    - f
      MEDEFAIDRIN
      
      added
    - f
      NANDINAGARI
      
      added
    - f
      NYIAKENG_PUACHUE_HMONG
      
      added
    - f
      OLD_SOGDIAN
      
      added
    - f
      OTTOMAN_SIYAQ_NUMBERS
      
      added
    - f
      SMALL_KANA_EXTENSION
      
      added
    - f
      SOGDIAN
      
      added
    - f
      SYMBOLS_AND_PICTOGRAPHS_EXTENDED_A
      
      added
    - f
      TAMIL_SUPPLEMENT
      
      added
    - f
      WANCHO
      
      added
  - c
    ClassNotFoundException
    - m
      getCause()
      
      removed
  - c
    Class
    
    implements Constable
    
    implements TypeDescriptor.OfField
    - m
      arrayType()
      
      added
    - m
      componentType()
      
      added
    - m
      describeConstable()
      
      added
    - m
      descriptorString()
      
      added
    - m
      getRecordComponents()
      
      added
    - m
      isRecord()
      
      added
  - c
    Double
    
    implements Constable
    
    implements ConstantDesc
    - m
      describeConstable()
      
      added
    - m
      resolveConstantDesc(MethodHandles.Lookup)
      
      added
  - c
    Enum.EnumDesc
    
    added
  - c
    Enum
    
    implements Constable
    - m
      describeConstable()
      
      added
  - c
    ExceptionInInitializerError
    - m
      getCause()
      
      removed
  - c
    Float
    
    implements Constable
    
    implements ConstantDesc
    - m
      describeConstable()
      
      added
    - m
      resolveConstantDesc(MethodHandles.Lookup)
      
      added
  - c
    Integer
    
    implements Constable
    
    implements ConstantDesc
    - m
      describeConstable()
      
      added
    - m
      resolveConstantDesc(MethodHandles.Lookup)
      
      added
  - c
    LiveStackFrame.PrimitiveSlot
    - m
      PrimitiveSlot()
      
      removed
  - c
    Long
    
    implements Constable
    
    implements ConstantDesc
    - m
      describeConstable()
      
      added
    - m
      resolveConstantDesc(MethodHandles.Lookup)
      
      added
  - c
    NullPointerException
    - m
      getMessage()
      
      added
  - c
    Record
    
    added
  - c
    Runtime
    - m
      traceInstructions(boolean)
      
      removed
    - m
      traceMethodCalls(boolean)
      
      removed
  - c
    StrictMath
    - m
      decrementExact(int)
      
      added
    - m
      decrementExact(long)
      
      added
    - m
      incrementExact(int)
      
      added
    - m
      incrementExact(long)
      
      added
    - m
      negateExact(int)
      
      added
    - m
      negateExact(long)
      
      added
  - c
    String
    
    implements Constable
    
    implements ConstantDesc
    - m
      describeConstable()
      
      added
    - m
      formatted(Object...)
      
      added
    - m
      indent(int)
      
      added
    - m
      resolveConstantDesc(MethodHandles.Lookup)
      
      added
    - m
      stripIndent()
      
      added
    - m
      transform(Function)
      
      added
    - m
      translateEscapes()
      
      added
  - c
    ThreadGroup
    - m
      allowThreadSuspension(boolean)
      
      forRemoval
    - m
      resume()
      
      forRemoval
    - m
      suspend()
      
      forRemoval
  - c
    Thread
    - m
      resume()
      
      forRemoval
    - m
      suspend()
      
      forRemoval
  - e
    Character.UnicodeScript
    - f
      DOGRA
      
      added
    - f
      ELYMAIC
      
      added
    - f
      GUNJALA_GONDI
      
      added
    - f
      HANIFI_ROHINGYA
      
      added
    - f
      MAKASAR
      
      added
    - f
      MEDEFAIDRIN
      
      added
    - f
      NANDINAGARI
      
      added
    - f
      NYIAKENG_PUACHUE_HMONG
      
      added
    - f
      OLD_SOGDIAN
      
      added
    - f
      SOGDIAN
      
      added
    - f
      WANCHO
      
      added
- p
  java.net
  - c
    MulticastSocket
    - m
      getInterface()
      
      deprecated
    - m
      getLoopbackMode()
      
      deprecated
    - m
      joinGroup(InetAddress)
      
      deprecated
    - m
      leaveGroup(InetAddress)
      
      deprecated
    - m
      setInterface(InetAddress)
      
      deprecated
    - m
      setLoopbackMode(boolean)
      
      deprecated
  - c
    SecureCacheResponse
    - m
      getSSLSession()
      
      added
  - c
    ServerSocket
    - m
      ServerSocket(SocketImpl)
      
      added
- p
  java.nio.file
  - c
    FileSystems
    - m
      newFileSystem(Path)
      
      added
    - m
      newFileSystem(Path, Map)
      
      added
    - m
      newFileSystem(Path, Map, ClassLoader)
      
      added
  - c
    Files
    - m
      mismatch(Path, Path)
      
      added
- p
  java.nio
  - c
    Buffer
    - m
      slice(int, int)
      
      added
  - c
    ByteBuffer
    - m
      get(int, byte[])
      
      added
    - m
      get(int, byte[], int, int)
      
      added
    - m
      put(int, byte[])
      
      added
    - m
      put(int, byte[], int, int)
      
      added
    - m
      slice(int, int)
      
      added
  - c
    CharBuffer
    - m
      get(int, char[])
      
      added
    - m
      get(int, char[], int, int)
      
      added
    - m
      put(int, char[])
      
      added
    - m
      put(int, char[], int, int)
      
      added
    - m
      slice(int, int)
      
      added
  - c
    DoubleBuffer
    - m
      get(int, double[])
      
      added
    - m
      get(int, double[], int, int)
      
      added
    - m
      put(int, double[])
      
      added
    - m
      put(int, double[], int, int)
      
      added
    - m
      slice(int, int)
      
      added
  - c
    FloatBuffer
    - m
      get(int, float[])
      
      added
    - m
      get(int, float[], int, int)
      
      added
    - m
      put(int, float[])
      
      added
    - m
      put(int, float[], int, int)
      
      added
    - m
      slice(int, int)
      
      added
  - c
    IntBuffer
    - m
      get(int, int[])
      
      added
    - m
      get(int, int[], int, int)
      
      added
    - m
      put(int, int[])
      
      added
    - m
      put(int, int[], int, int)
      
      added
    - m
      slice(int, int)
      
      added
  - c
    LongBuffer
    - m
      get(int, long[])
      
      added
    - m
      get(int, long[], int, int)
      
      added
    - m
      put(int, long[])
      
      added
    - m
      put(int, long[], int, int)
      
      added
    - m
      slice(int, int)
      
      added
  - c
    MappedByteBuffer
    - m
      force(int, int)
      
      added
  - c
    ShortBuffer
    - m
      get(int, short[])
      
      added
    - m
      get(int, short[], int, int)
      
      added
    - m
      put(int, short[])
      
      added
    - m
      put(int, short[], int, int)
      
      added
    - m
      slice(int, int)
      
      added
- p
  java.security.acl
  
  removed
- p
  java.security.interfaces
  - i
    DSAPrivateKey
    - f
      serialVersionUID
      
      deprecated
  - i
    DSAPublicKey
    - f
      serialVersionUID
      
      deprecated
  - i
    ECPrivateKey
    - f
      serialVersionUID
      
      deprecated
  - i
    ECPublicKey
    - f
      serialVersionUID
      
      deprecated
  - i
    RSAMultiPrimePrivateCrtKey
    - f
      serialVersionUID
      
      deprecated
  - i
    RSAPrivateCrtKey
    - f
      serialVersionUID
      
      deprecated
  - i
    RSAPrivateKey
    - f
      serialVersionUID
      
      deprecated
  - i
    RSAPublicKey
    - f
      serialVersionUID
      
      deprecated
- p
  java.security
  - c
    PrivilegedActionException
    - m
      getCause()
      
      removed
  - i
    Key
    - f
      serialVersionUID
      
      deprecated
  - i
    PrivateKey
    - f
      serialVersionUID
      
      deprecated
  - i
    PublicKey
    - f
      serialVersionUID
      
      deprecated
- p
  java.text.spi
  - c
    NumberFormatProvider
    - m
      getCompactNumberInstance(Locale, NumberFormat.Style)
      
      added
- p
  java.text
  - c
    CompactNumberFormat
    
    added
  - c
    NumberFormat.Field
    - f
      PREFIX
      
      added
    - f
      SUFFIX
      
      added
  - c
    NumberFormat
    - m
      getCompactNumberInstance()
      
      added
    - m
      getCompactNumberInstance(Locale, NumberFormat.Style)
      
      added
  - e
    NumberFormat.Style
    
    added
- p
  java.time.chrono
  - c
    JapaneseEra
    - f
      REIWA
      
      added
- p
  java.util.concurrent.locks
  - c
    AbstractQueuedLongSynchronizer
    - m
      AbstractQueuedLongSynchronizer()
      
      public
  - c
    LockSupport
    - m
      setCurrentBlocker(Object)
      
      added
- p
  java.util.concurrent
  - c
    CompletableFuture
    - m
      exceptionallyAsync(Function)
      
      added
    - m
      exceptionallyAsync(Function, Executor)
      
      added
    - m
      exceptionallyCompose(Function)
      
      added
    - m
      exceptionallyComposeAsync(Function)
      
      added
    - m
      exceptionallyComposeAsync(Function, Executor)
      
      added
  - i
    CompletionStage
    - m
      exceptionallyAsync(Function)
      
      added
    - m
      exceptionallyAsync(Function, Executor)
      
      added
    - m
      exceptionallyCompose(Function)
      
      added
    - m
      exceptionallyComposeAsync(Function)
      
      added
    - m
      exceptionallyComposeAsync(Function, Executor)
      
      added
- p
  java.util.jar
  - c
    Pack200
    
    removed
  - i
    Pack200.Packer
    
    removed
  - i
    Pack200.Unpacker
    
    removed
- p
  java.util.stream
  - c
    Collectors
    - m
      teeing(Collector, Collector, BiFunction)
      
      added
- p
  java.util.zip
  - c
    Deflater
    - m
      finalize()
      
      removed
  - c
    Inflater
    - m
      finalize()
      
      removed
  - c
    ZipFile
    - m
      finalize()
      
      removed
- p
  java.util
  - c
    HashSet
    - m
      toArray()
      
      added
    - m
      toArray(Object[])
      
      added
- p
  javax.crypto.interfaces
  - i
    DHPrivateKey
    - f
      serialVersionUID
      
      deprecated
  - i
    DHPublicKey
    - f
      serialVersionUID
      
      deprecated
  - i
    PBEKey
    - f
      serialVersionUID
      
      deprecated
- p
  javax.crypto
  - c
    Cipher
    - m
      toString()
      
      added
  - i
    SecretKey
    - f
      serialVersionUID
      
      deprecated
- p
  javax.net.ssl
  - c
    HandshakeCompletedEvent
    - m
      getPeerCertificateChain()
      
      forRemoval
  - c
    HttpsURLConnection
    - m
      getSSLSession()
      
      added
  - i
    SSLSession
    - m
      getPeerCertificateChain()
      
      forRemoval
- p
  javax.security.cert
  - c
    CertificateEncodingException
    
    forRemoval
  - c
    CertificateException
    
    forRemoval
  - c
    CertificateExpiredException
    
    forRemoval
  - c
    CertificateNotYetValidException
    
    forRemoval
  - c
    CertificateParsingException
    
    forRemoval
  - c
    Certificate
    
    forRemoval
  - c
    X509Certificate
    
    forRemoval
m
java.compiler
- p
  javax.annotation.processing
  - i
    ProcessingEnvironment
    - m
      isPreviewEnabled()
      
      added
- p
  javax.lang.model.element
  - e
    ElementKind
    - f
      BINDING_VARIABLE
      
      added
    - f
      RECORD
      
      added
    - f
      RECORD_COMPONENT
      
      added
  - i
    ElementVisitor
    - m
      visitRecordComponent(RecordComponentElement, Object)
      
      added
  - i
    ExecutableElement
    - m
      asType()
      
      added
  - i
    ModuleElement
    - m
      asType()
      
      added
  - i
    PackageElement
    - m
      asType()
      
      added
  - i
    RecordComponentElement
    
    added
  - i
    TypeElement
    - m
      asType()
      
      added
    - m
      getRecordComponents()
      
      added
  - i
    TypeParameterElement
    - m
      asType()
      
      added
  - i
    VariableElement
    - m
      asType()
      
      added
- p
  javax.lang.model.util
  - c
    AbstractAnnotationValueVisitor14
    
    added
  - c
    AbstractAnnotationValueVisitor7
    - m
      AbstractAnnotationValueVisitor7()
      
      deprecated
  - c
    AbstractElementVisitor14
    
    added
  - c
    AbstractElementVisitor6
    - m
      visitRecordComponent(RecordComponentElement, Object)
      
      added
  - c
    AbstractElementVisitor7
    - m
      AbstractElementVisitor7()
      
      deprecated
  - c
    AbstractTypeVisitor14
    
    added
  - c
    AbstractTypeVisitor7
    - m
      AbstractTypeVisitor7()
      
      deprecated
  - c
    ElementFilter
    - m
      recordComponentsIn(Iterable)
      
      added
    - m
      recordComponentsIn(Set)
      
      added
  - c
    ElementKindVisitor14
    
    added
  - c
    ElementKindVisitor6
    - m
      visitTypeAsRecord(TypeElement, Object)
      
      added
    - m
      visitVariableAsBindingVariable(VariableElement, Object)
      
      added
  - c
    ElementKindVisitor7
    - m
      ElementKindVisitor7()
      
      deprecated
    - m
      ElementKindVisitor7(Object)
      
      deprecated
  - c
    ElementScanner14
    
    added
  - c
    ElementScanner7
    - m
      ElementScanner7()
      
      deprecated
    - m
      ElementScanner7(Object)
      
      deprecated
  - c
    SimpleAnnotationValueVisitor14
    
    added
  - c
    SimpleAnnotationValueVisitor7
    - m
      SimpleAnnotationValueVisitor7()
      
      deprecated
    - m
      SimpleAnnotationValueVisitor7(Object)
      
      deprecated
  - c
    SimpleElementVisitor14
    
    added
  - c
    SimpleElementVisitor7
    - m
      SimpleElementVisitor7()
      
      deprecated
    - m
      SimpleElementVisitor7(Object)
      
      deprecated
  - c
    SimpleTypeVisitor14
    
    added
  - c
    SimpleTypeVisitor7
    - m
      SimpleTypeVisitor7()
      
      deprecated
    - m
      SimpleTypeVisitor7(Object)
      
      deprecated
  - c
    TypeKindVisitor14
    
    added
  - c
    TypeKindVisitor7
    - m
      TypeKindVisitor7()
      
      deprecated
    - m
      TypeKindVisitor7(Object)
      
      deprecated
  - i
    Elements
    - m
      recordComponentFor(ExecutableElement)
      
      added

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Java 14

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