New APIs in Java 27

Comparing Java 27 (27-ea+1-3-open) with Java 21 (21.0.9+10-LTS-tem).

Element	Modification
java.base
java.io
Console
format(Locale, String, Object...)	added
isTerminal()	added
printf(Locale, String, Object...)	added
readLine(Locale, String, Object...)	added
readPassword(Locale, String, Object...)	added
FilePermission	+ deprecated + forRemoval
ObjectInputStream
ObjectInputStream()	- throws SecurityException
enableResolveObject(boolean)	- throws SecurityException
ObjectOutputStream.PutField
write(ObjectOutput)	+ forRemoval
ObjectOutputStream
ObjectOutputStream()	- throws SecurityException
enableReplaceObject(boolean)	- throws SecurityException
OptionalDataException	+ final
Reader
of(CharSequence)	added
readAllAsString()	added
readAllLines()	added
SerializablePermission	+ deprecated + forRemoval
java.lang.classfile.attribute	added
java.lang.classfile.constantpool	added
java.lang.classfile.instruction	added
java.lang.classfile	added
java.lang.constant
DynamicCallSiteDesc	+ final
ClassDesc
arrayType()	+ abstract
arrayType(int)	+ abstract
displayName()	+ abstract
java.lang.foreign
AddressLayout	- preview
Arena	- preview
allocate(long, long)	+ abstract
FunctionDescriptor	- preview
GroupLayout	- preview
Linker.Option	- preview
critical(boolean)	added
isTrivial()	removed preview
Linker	- preview
canonicalLayouts()	added
MemoryLayout.PathElement	- preview
MemoryLayout	- preview
arrayElementVarHandle(MemoryLayout.PathElement...)	added
byteOffset(MemoryLayout.PathElement...)	+ abstract
byteOffsetHandle(MemoryLayout.PathElement...)	+ abstract
scale(long, long)	added
scaleHandle()	added
select(MemoryLayout.PathElement...)	+ abstract
sequenceLayout(MemoryLayout)	removed preview
sliceHandle(MemoryLayout.PathElement...)	+ abstract
varHandle(MemoryLayout.PathElement...)	+ abstract
MemorySegment.Scope	- preview
MemorySegment	- preview
asSlice(long, MemoryLayout)	+ abstract
copyFrom(MemorySegment)	+ abstract
get(AddressLayout, long)	+ abstract
get(ValueLayout.OfBoolean, long)	+ abstract
get(ValueLayout.OfByte, long)	+ abstract
get(ValueLayout.OfChar, long)	+ abstract
get(ValueLayout.OfDouble, long)	+ abstract
get(ValueLayout.OfFloat, long)	+ abstract
get(ValueLayout.OfInt, long)	+ abstract
get(ValueLayout.OfLong, long)	+ abstract
get(ValueLayout.OfShort, long)	+ abstract
getAtIndex(AddressLayout, long)	+ abstract
getAtIndex(ValueLayout.OfBoolean, long)	+ abstract
getAtIndex(ValueLayout.OfByte, long)	+ abstract
getAtIndex(ValueLayout.OfChar, long)	+ abstract
getAtIndex(ValueLayout.OfDouble, long)	+ abstract
getAtIndex(ValueLayout.OfFloat, long)	+ abstract
getAtIndex(ValueLayout.OfInt, long)	+ abstract
getAtIndex(ValueLayout.OfLong, long)	+ abstract
getAtIndex(ValueLayout.OfShort, long)	+ abstract
getString(long)	added
getString(long, Charset)	added
getUtf8String(long)	removed preview
maxByteAlignment()	added
mismatch(MemorySegment)	+ abstract
segmentOffset(MemorySegment)	removed preview
set(AddressLayout, long, MemorySegment)	+ abstract
set(ValueLayout.OfBoolean, long, boolean)	+ abstract
set(ValueLayout.OfByte, long, byte)	+ abstract
set(ValueLayout.OfChar, long, char)	+ abstract
set(ValueLayout.OfDouble, long, double)	+ abstract
set(ValueLayout.OfFloat, long, float)	+ abstract
set(ValueLayout.OfInt, long, int)	+ abstract
set(ValueLayout.OfLong, long, long)	+ abstract
set(ValueLayout.OfShort, long, short)	+ abstract
setAtIndex(AddressLayout, long, MemorySegment)	+ abstract
setAtIndex(ValueLayout.OfBoolean, long, boolean)	+ abstract
setAtIndex(ValueLayout.OfByte, long, byte)	+ abstract
setAtIndex(ValueLayout.OfChar, long, char)	+ abstract
setAtIndex(ValueLayout.OfDouble, long, double)	+ abstract
setAtIndex(ValueLayout.OfFloat, long, float)	+ abstract
setAtIndex(ValueLayout.OfInt, long, int)	+ abstract
setAtIndex(ValueLayout.OfLong, long, long)	+ abstract
setAtIndex(ValueLayout.OfShort, long, short)	+ abstract
setString(long, String)	added
setString(long, String, Charset)	added
setUtf8String(long, String)	removed preview
PaddingLayout	- preview
SegmentAllocator	- preview
allocate(AddressLayout, MemorySegment)	removed preview
allocate(MemoryLayout, long)	added
allocate(ValueLayout.OfByte, byte)	removed preview
allocate(ValueLayout.OfChar, char)	removed preview
allocate(ValueLayout.OfDouble, double)	removed preview
allocate(ValueLayout.OfFloat, float)	removed preview
allocate(ValueLayout.OfInt, int)	removed preview
allocate(ValueLayout.OfLong, long)	removed preview
allocate(ValueLayout.OfShort, short)	removed preview
allocateArray(MemoryLayout, long)	removed preview
allocateArray(ValueLayout.OfByte, byte...)	removed preview
allocateArray(ValueLayout.OfChar, char...)	removed preview
allocateArray(ValueLayout.OfDouble, double...)	removed preview
allocateArray(ValueLayout.OfFloat, float...)	removed preview
allocateArray(ValueLayout.OfInt, int...)	removed preview
allocateArray(ValueLayout.OfLong, long...)	removed preview
allocateArray(ValueLayout.OfShort, short...)	removed preview
allocateFrom(AddressLayout, MemorySegment)	added
allocateFrom(String)	added
allocateFrom(String, Charset)	added
allocateFrom(ValueLayout, MemorySegment,...	added
allocateFrom(ValueLayout.OfByte, byte)	added
allocateFrom(ValueLayout.OfByte, byte...)	added
allocateFrom(ValueLayout.OfChar, char)	added
allocateFrom(ValueLayout.OfChar, char...)	added
allocateFrom(ValueLayout.OfDouble, double)	added
allocateFrom(ValueLayout.OfDouble, double...)	added
allocateFrom(ValueLayout.OfFloat, float)	added
allocateFrom(ValueLayout.OfFloat, float...)	added
allocateFrom(ValueLayout.OfInt, int)	added
allocateFrom(ValueLayout.OfInt, int...)	added
allocateFrom(ValueLayout.OfLong, long)	added
allocateFrom(ValueLayout.OfLong, long...)	added
allocateFrom(ValueLayout.OfShort, short)	added
allocateFrom(ValueLayout.OfShort, short...)	added
allocateUtf8String(String)	removed preview
SequenceLayout	- preview
StructLayout	- preview
SymbolLookup	- preview
findOrThrow(String)	added
UnionLayout	- preview
ValueLayout.OfBoolean	- preview
ValueLayout.OfByte	- preview
ValueLayout.OfChar	- preview
ValueLayout.OfDouble	- preview
ValueLayout.OfFloat	- preview
ValueLayout.OfInt	- preview
ValueLayout.OfLong	- preview
ValueLayout.OfShort	- preview
ValueLayout	- preview
arrayElementVarHandle(int...)	removed preview
varHandle()	added
java.lang.invoke
MethodHandleProxies	+ final
MethodHandles	+ final
collectCoordinates(VarHandle, int, MethodHandle)	- preview
dropCoordinates(VarHandle, int, Class...)	- preview
filterCoordinates(VarHandle, int, MethodHandle...)	- preview
filterValue(VarHandle, MethodHandle, MethodHandle)	- preview
insertCoordinates(VarHandle, int, Object...)	- preview
memorySegmentViewVarHandle(ValueLayout)	removed preview
permuteCoordinates(VarHandle, List, int...)	- preview
StringConcatFactory
MAX_INDY_CONCAT_ARG_SLOTS	removed preview
makeConcatWithTemplate(List, List)	removed preview
makeConcatWithTemplateCluster(List, List, int)	removed preview
makeConcatWithTemplateGetters(List, List, int)	removed preview
java.lang.module
ModuleDescriptor	+ final
java.lang.reflect
Modifier	+ final
ReflectPermission	+ deprecated + forRemoval
AccessFlag.Location
flags()	added
flags(ClassFileFormatVersion)	added
flagsMask()	added
flagsMask(ClassFileFormatVersion)	added
AccessFlag
maskToAccessFlags(int, AccessFlag.Location,...	added
ClassFileFormatVersion
RELEASE_22	added
RELEASE_23	added
RELEASE_24	added
RELEASE_25	added
RELEASE_26	added
RELEASE_27	added
java.lang.runtime
ExactConversionsSupport	added
ObjectMethods	+ final
SwitchBootstraps	+ final
TemplateRuntime	removed preview
java.lang
Boolean
Boolean(String)	- forRemoval
Boolean(boolean)	- forRemoval
Byte
Byte(String)	- forRemoval
Byte(byte)	- forRemoval
Character.UnicodeBlock
BERIA_ERFE	added
CJK_UNIFIED_IDEOGRAPHS_EXTENSION_I	added
CJK_UNIFIED_IDEOGRAPHS_EXTENSION_J	added
EGYPTIAN_HIEROGLYPHS_EXTENDED_A	added
GARAY	added
GURUNG_KHEMA	added
KIRAT_RAI	added
MISCELLANEOUS_SYMBOLS_SUPPLEMENT	added
MYANMAR_EXTENDED_C	added
OL_ONAL	added
SHARADA_SUPPLEMENT	added
SIDETIC	added
SUNUWAR	added
SYMBOLS_FOR_LEGACY_COMPUTING_SUPPLEMENT	added
TAI_YO	added
TANGUT_COMPONENTS_SUPPLEMENT	added
TODHRI	added
TOLONG_SIKI	added
TULU_TIGALARI	added
Character
Character(char)	- forRemoval
Class
forPrimitiveName(String)	added
getConstructor(Class...)	- throws SecurityException
getConstructors()	- throws SecurityException
getDeclaredClasses()	- throws SecurityException
getDeclaredConstructor(Class...)	- throws SecurityException
getDeclaredConstructors()	- throws SecurityException
getDeclaredField(String)	- throws SecurityException
getDeclaredFields()	- throws SecurityException
getDeclaredMethod(String, Class...)	- throws SecurityException
getDeclaredMethods()	- throws SecurityException
getDeclaringClass()	- throws SecurityException
getEnclosingClass()	- throws SecurityException
getEnclosingConstructor()	- throws SecurityException
getEnclosingMethod()	- throws SecurityException
getField(String)	- throws SecurityException
getFields()	- throws SecurityException
getMethod(String, Class...)	- throws SecurityException
getMethods()	- throws SecurityException
isUnnamedClass()	removed preview
Double
Double(String)	- forRemoval
Double(double)	- forRemoval
Float
Float(String)	- forRemoval
Float(double)	- forRemoval
Float(float)	- forRemoval
IO	added
Integer
Integer(String)	- forRemoval
Integer(int)	- forRemoval
Long
Long(String)	- forRemoval
Long(long)	- forRemoval
Math
powExact(int, int)	added
powExact(long, int)	added
unsignedMultiplyExact(int, int)	added
unsignedMultiplyExact(long, int)	added
unsignedMultiplyExact(long, long)	added
unsignedPowExact(int, int)	added
unsignedPowExact(long, int)	added
ModuleLayer.Controller
enableNativeAccess(Module)	- preview
Module
isNativeAccessEnabled()	- preview
Package	+ final
Process	+ implements Closeable
close()	added
waitFor(Duration)	added
RuntimePermission	+ deprecated + forRemoval
Runtime	+ final
ScopedValue.Carrier	- preview
call(Callable)	removed preview
call(ScopedValue.CallableOp)	added
get(Supplier)	removed preview
ScopedValue	- preview
callWhere(ScopedValue, Object, Callable)	removed preview
getWhere(ScopedValue, Object, Supplier)	removed preview
runWhere(ScopedValue, Object, Runnable)	removed preview
SecurityManager
checkMulticast(InetAddress, byte)	- deprecated - forRemoval
Short
Short(String)	- forRemoval
Short(short)	- forRemoval
StrictMath
powExact(int, int)	added
powExact(long, int)	added
unsignedMultiplyExact(int, int)	added
unsignedMultiplyExact(long, int)	added
unsignedMultiplyExact(long, long)	added
unsignedPowExact(int, int)	added
unsignedPowExact(long, int)	added
String
UNICODE_CASEFOLD_ORDER	added
compareToFoldCase(String)	added
equalsFoldCase(String)	added
ThreadGroup
resume()	removed
stop()	removed
suspend()	removed
Thread
countStackFrames()	removed
resume()	removed
stop()	removed
suspend()	removed
Character.UnicodeScript
BERIA_ERFE	added
GARAY	added
GURUNG_KHEMA	added
KIRAT_RAI	added
OL_ONAL	added
SIDETIC	added
SUNUWAR	added
TAI_YO	added
TODHRI	added
TOLONG_SIKI	added
TULU_TIGALARI	added
StackWalker.Option
DROP_METHOD_INFO	added
CharSequence
getChars(int, int, char[], int)	added
LazyConstant	added preview
ScopedValue.CallableOp	added
StringTemplate.Processor.Linkage	removed preview
StringTemplate.Processor	removed preview
StringTemplate	removed preview
java.math
BigInteger
rootn(int)	added
rootnAndRemainder(int)	added
java.net
DatagramSocketImpl
getTTL()	removed
setTTL(byte)	removed
HttpURLConnection
getPermission()	+ deprecated + forRemoval
Inet4Address
ofLiteral(String)	added
ofPosixLiteral(String)	added
Inet6Address
ofLiteral(String)	added
InetAddress
ofLiteral(String)	added
InterfaceAddress	+ final
MulticastSocket
getTTL()	removed
send(DatagramPacket, byte)	removed
setTTL(byte)	removed
NetPermission	+ deprecated + forRemoval
ServerSocket
setPerformancePreferences(int, int, int)	+ deprecated + forRemoval
SocketImpl
setPerformancePreferences(int, int, int)	+ deprecated + forRemoval
SocketPermission	+ deprecated + forRemoval
Socket
Socket(InetAddress, int, boolean)	+ forRemoval
Socket(String, int, boolean)	+ forRemoval
setPerformancePreferences(int, int, int)	+ deprecated + forRemoval
URLConnection
getPermission()	+ deprecated + forRemoval
URLDecoder	+ final
URLEncoder	+ final
URLPermission	+ deprecated + forRemoval
java.nio.channels
FileChannel
map(FileChannel.MapMode, long, long, Arena)	- preview
java.nio.charset
CoderResult	+ final
CodingErrorAction	+ final
StandardCharsets
UTF_32BE	added
UTF_32LE	added
UTF_32	added
java.nio.file
LinkPermission	+ deprecated + forRemoval
Path
resolve(Path, Path...)	added
resolve(String, String...)	added
java.nio
CharBuffer
getChars(int, int, char[], int)	added
ByteOrder	- extends Object + extends Enum
toString()	removed
valueOf(String)	added
values()	added
java.security.cert
X509CRL	+ implements DEREncodable
X509Certificate	+ implements DEREncodable
java.security.interfaces
DSAParams	+ implements AlgorithmParameterSpec
DSAPrivateKey
getParams()	added
DSAPublicKey
getParams()	added
ECPrivateKey
getParams()	added
ECPublicKey
getParams()	added
EdECPrivateKey
getParams()	added
EdECPublicKey
getParams()	added
RSAPrivateKey
getParams()	added
RSAPublicKey
getParams()	added
XECPrivateKey
getParams()	added
XECPublicKey
getParams()	added
java.security.spec
NamedParameterSpec
ML_DSA_44	added
ML_DSA_65	added
ML_DSA_87	added
ML_KEM_1024	added
ML_KEM_512	added
ML_KEM_768	added
PKCS8EncodedKeySpec	+ implements DEREncodable
X509EncodedKeySpec	+ implements DEREncodable
java.security
DrbgParameters	+ final
KeyPair	+ implements DEREncodable
PEMDecoder	added preview
PEMEncoder	added preview
PEM	added preview
SecureRandom
nextLong()	added
SecurityPermission	+ deprecated + forRemoval
UnresolvedPermission	+ deprecated + forRemoval
AsymmetricKey	added
DEREncodable	added preview
PrivateKey	- implements Key + implements AsymmetricKey
PublicKey	- implements Key + implements AsymmetricKey
java.text
ChoiceFormat
isStrict()	added
setStrict(boolean)	added
toString()	added
CompactNumberFormat
isStrict()	added
setStrict(boolean)	added
toString()	added
DecimalFormat
isStrict()	added
setStrict(boolean)	added
toString()	added
ListFormat	added
MessageFormat
toString()	added
NumberFormat
isStrict()	added
setStrict(boolean)	added
SimpleDateFormat
toString()	added
ListFormat.Style	added
ListFormat.Type	added
java.time
Duration
MAX	added
MIN	added
Instant
plusSaturating(Duration)	added
until(Instant)	added
java.util.concurrent.locks
LockSupport	+ final
java.util.concurrent
Executors	+ final
ForkJoinPool	+ implements ScheduledExecutorService
cancelDelayedTasksOnShutdown()	added
getDelayedTaskCount()	added
invokeAll(Collection)	+ throws InterruptedException
invokeAllUninterruptibly(Collection)	added
schedule(Callable, long, TimeUnit)	added
schedule(Runnable, long, TimeUnit)	added
scheduleAtFixedRate(Runnable, long, long,...	added
scheduleWithFixedDelay(Runnable, long, long,...	added
submitWithTimeout(Callable, long, TimeUnit,...	added
ForkJoinTask
adaptInterruptible(Runnable)	added
adaptInterruptible(Runnable, Object)	added
StructuredTaskScope.FailedException	added preview
StructuredTaskScope.ShutdownOnFailure	removed preview
StructuredTaskScope.ShutdownOnSuccess	removed preview
StructuredTaskScope.TimeoutException	added preview
ThreadLocalRandom
nextGaussian()	added
StructuredTaskScope.Configuration	added preview
StructuredTaskScope.Joiner	added preview
StructuredTaskScope.Subtask
task()	removed preview
StructuredTaskScope	+ abstract + sealed
StructuredTaskScope()	removed preview
StructuredTaskScope(String, ThreadFactory)	removed preview
close()	+ abstract
ensureOwnerAndJoined()	removed preview
fork(Callable)	+ abstract
fork(Runnable)	added preview
handleComplete(StructuredTaskScope.Subtask)	removed preview
isCancelled()	added preview
isShutdown()	removed preview
join()	added preview
join()	removed preview
joinUntil(Instant)	removed preview
open()	added preview
open(StructuredTaskScope.Joiner)	added preview
open(StructuredTaskScope.Joiner, UnaryOperator)	added preview
shutdown()	removed preview
toString()	removed preview
java.util.random
RandomGenerator
equiDoubles(double, double, boolean, boolean)	added
java.util.stream
Gatherers	added
Gatherer.Downstream	added
Gatherer.Integrator.Greedy	added
Gatherer.Integrator	added
Gatherer	added
Stream
gather(Gatherer)	added
java.util.zip
Deflater	+ implements AutoCloseable
close()	added
getTotalIn()	+ deprecated
getTotalOut()	+ deprecated
Inflater	+ implements AutoCloseable
close()	added
getTotalIn()	+ deprecated
getTotalOut()	+ deprecated
ZipError	+ deprecated + forRemoval
ZipFile
toString()	added
java.util
Base64	+ final
Collections	+ final
Currency
availableCurrencies()	added
FormatProcessor	removed preview
FormattableFlags	+ final
PropertyPermission	+ deprecated + forRemoval
TimeZone
availableIDs()	added
availableIDs(int)	added
UUID
ofEpochMillis(long)	added
Locale.IsoCountryCode	- abstract + final
Comparator
max(Object, Object)	added
min(Object, Object)	added
List
ofLazy(int, IntFunction)	added preview
Map
ofLazy(Set, Function)	added preview
javax.crypto.interfaces
DHPrivateKey
getParams()	added
DHPublicKey
getParams()	added
javax.crypto.spec
HKDFParameterSpec.Builder	added
HKDFParameterSpec.Expand	added
HKDFParameterSpec.ExtractThenExpand	added
HKDFParameterSpec.Extract	added
HPKEParameterSpec	added
HKDFParameterSpec	added
javax.crypto
EncryptedPrivateKeyInfo	+ implements DEREncodable
encrypt(DEREncodable, Key, String,...	added preview
encrypt(DEREncodable, char[])	added preview
encrypt(DEREncodable, char[], String,...	added preview
getKey(Key, Provider)	added preview
getKey(char[])	added preview
getKeyPair(Key, Provider)	added preview
getKeyPair(char[])	added preview
KDFSpi	added
KDF	added
KDFParameters	added
javax.net.ssl
ExtendedSSLSession
exportKeyingMaterialData(String, byte[], int)	added
exportKeyingMaterialKey(String, String, byte[],...	added
SSLPermission	+ deprecated + forRemoval
javax.security.auth
AuthPermission	+ deprecated + forRemoval
PrivateCredentialPermission	+ deprecated + forRemoval
java.compiler
javax.lang.model.element
RecordComponentElement
asType()	added
TypeElement
isUnnamed()	removed preview
VariableElement
isUnnamed()	- preview
javax.lang.model.util
AbstractAnnotationValueVisitorPreview	added preview
AbstractElementVisitorPreview	added preview
AbstractTypeVisitorPreview	added preview
ElementKindVisitorPreview	added preview
ElementScanner6
visitRecordComponent(RecordComponentElement,...	added
ElementScannerPreview	added preview
SimpleAnnotationValueVisitorPreview	added preview
SimpleElementVisitorPreview	added preview
SimpleTypeVisitorPreview	added preview
TypeKindVisitorPreview	added preview
Elements.DocCommentKind	added
Elements
getDocCommentKind(Element)	added
getEnumConstantBody(VariableElement)	added
Types
stripAnnotations(TypeMirror)	added
javax.lang.model
SourceVersion
RELEASE_22	added
RELEASE_23	added
RELEASE_24	added
RELEASE_25	added
RELEASE_26	added
RELEASE_27	added
javax.tools
SimpleJavaFileObject
forSource(URI, String)	added
java.desktop
java.applet	removed
java.awt
AWTPermission	+ deprecated + forRemoval
KeyboardFocusManager
clearGlobalFocusOwner()	- throws SecurityException
getGlobalActiveWindow()	- throws SecurityException
getGlobalCurrentFocusCycleRoot()	- throws SecurityException
getGlobalFocusOwner()	- throws SecurityException
getGlobalFocusedWindow()	- throws SecurityException
getGlobalPermanentFocusOwner()	- throws SecurityException
setCurrentKeyboardFocusManager(KeyboardFocusManage...	- throws SecurityException
setGlobalActiveWindow(Window)	- throws SecurityException
setGlobalCurrentFocusCycleRoot(Container)	- throws SecurityException
setGlobalFocusOwner(Component)	- throws SecurityException
setGlobalFocusedWindow(Window)	- throws SecurityException
setGlobalPermanentFocusOwner(Component)	- throws SecurityException
Robot
DEFAULT_DELAY	added
DEFAULT_STEP_LENGTH	added
click()	added
click(int)	added
glide(int, int)	added
glide(int, int, int, int)	added
glide(int, int, int, int, int, int)	added
type(char)	added
type(int)	added
waitForIdle(int)	added
Window
getWarningString()	+ deprecated + forRemoval
setAlwaysOnTop(boolean)	- throws SecurityException
java.beans.beancontext
BeanContextChildSupport	+ deprecated + forRemoval
BeanContextEvent	+ deprecated + forRemoval
BeanContextMembershipEvent	+ deprecated + forRemoval
BeanContextServiceAvailableEvent	+ deprecated + forRemoval
BeanContextServiceRevokedEvent	+ deprecated + forRemoval
BeanContextServicesSupport	+ deprecated + forRemoval
BeanContextSupport	+ deprecated + forRemoval
BeanContextChildComponentProxy	+ deprecated + forRemoval
BeanContextChild	+ deprecated + forRemoval
BeanContextContainerProxy	+ deprecated + forRemoval
BeanContextMembershipListener	+ deprecated + forRemoval
BeanContextProxy	+ deprecated + forRemoval
BeanContextServiceProviderBeanInfo	+ deprecated + forRemoval
BeanContextServiceProvider	+ deprecated + forRemoval
BeanContextServiceRevokedListener	+ deprecated + forRemoval
BeanContextServicesListener	+ deprecated + forRemoval
BeanContextServices	+ deprecated + forRemoval
BeanContext	+ deprecated + forRemoval
java.beans
Beans
instantiate(ClassLoader, String, BeanContext)	+ deprecated + forRemoval
instantiate(ClassLoader, String, BeanContext,...	removed
setDesignTime(boolean)	- throws SecurityException
setGuiAvailable(boolean)	- throws SecurityException
AppletInitializer	removed
javax.imageio.spi
ServiceRegistry
finalize()	removed
javax.imageio.stream
FileCacheImageInputStream
finalize()	removed
FileImageInputStream
finalize()	removed
FileImageOutputStream
finalize()	removed
ImageInputStreamImpl
finalize()	removed
MemoryCacheImageInputStream
finalize()	removed
javax.print.attribute.standard
OutputBin	added
javax.sound.sampled
AudioPermission	+ deprecated + forRemoval
javax.sound	added
javax.swing.plaf.basic
BasicSliderUI
BasicSliderUI()	removed
BasicSplitPaneDivider
setEnabled(boolean)	added
javax.swing.plaf.synth
SynthLookAndFeel
load(URL)	removed
SynthPasswordFieldUI
installKeyboardActions()	removed
SynthTreeUI
getCollapsedIcon()	added
javax.swing
FocusManager
setCurrentManager(FocusManager)	- throws SecurityException
JApplet.AccessibleJApplet	removed
JApplet	removed
JFileChooser
setEnabled(boolean)	added
JInternalFrame
getWarningString()	+ deprecated + forRemoval
JScrollBar
setMaximumSize(Dimension)	added
setMinimumSize(Dimension)	added
JSplitPane
setComponentOrientation(ComponentOrientation)	added
setEnabled(boolean)	added
RepaintManager
addDirtyRegion(Applet, int, int, int, int)	removed
UIManager
setInstalledLookAndFeels(UIManager.LookAndFeelInfo...	- throws SecurityException
java.logging
java.util.logging
FileHandler
FileHandler()	- throws SecurityException
FileHandler(String)	- throws SecurityException
FileHandler(String, boolean)	- throws SecurityException
FileHandler(String, int, int)	- throws SecurityException
FileHandler(String, int, int, boolean)	- throws SecurityException
close()	- throws SecurityException
Handler
close()	- throws SecurityException
setEncoding(String)	- throws SecurityException
setFilter(Filter)	- throws SecurityException
setFormatter(Formatter)	- throws SecurityException
setLevel(Level)	- throws SecurityException
LogManager
checkAccess()	- throws SecurityException
readConfiguration()	- throws SecurityException
readConfiguration(InputStream)	- throws SecurityException
reset()	- throws SecurityException
Logger
addHandler(Handler)	- throws SecurityException
removeHandler(Handler)	- throws SecurityException
setFilter(Filter)	- throws SecurityException
setLevel(Level)	- throws SecurityException
LoggingPermission	+ deprecated + forRemoval
MemoryHandler
close()	- throws SecurityException
setPushLevel(Level)	- throws SecurityException
SocketHandler
close()	- throws SecurityException
StreamHandler
close()	- throws SecurityException
setEncoding(String)	- throws SecurityException
setOutputStream(OutputStream)	- throws SecurityException
java.management.rmi
javax.management.remote.rmi
RMIConnector
getMBeanServerConnection(Subject)	removed
java.management
java.lang.management
ManagementPermission	+ deprecated + forRemoval
MemoryMXBean
getTotalGcCpuTime()	added
javax.management.loading
MLetContent	removed
MLet	removed
PrivateMLet	removed
MLetMBean	removed
javax.management.modelmbean
DescriptorSupport
DescriptorSupport(String)	removed
toXMLString()	removed
XMLParseException	removed
javax.management.remote
SubjectDelegationPermission	+ deprecated + forRemoval
JMXConnector
getMBeanServerConnection(Subject)	- abstract
javax.management
MBeanPermission	+ deprecated + forRemoval
MBeanServerPermission	+ deprecated + forRemoval
MBeanTrustPermission	+ deprecated + forRemoval
java.naming
javax.naming
Context
APPLET	removed
java.net.http
java.net.http
HttpRequest.BodyPublishers
ofFileChannel(FileChannel, long, long)	added
HttpRequest
getOption(HttpOption)	added
HttpResponse.BodyHandlers
limiting(HttpResponse.BodyHandler, long)	added
HttpResponse.BodySubscribers
limiting(HttpResponse.BodySubscriber, long)	added
HttpResponse.PushPromiseHandler.PushId.Http3PushId	added
StreamLimitException	added
UnsupportedProtocolVersionException	added
HttpClient.Version
HTTP_3	added
HttpOption.Http3DiscoveryMode	added
HttpOption	added
HttpRequest.Builder
setOption(HttpOption, Object)	added
HttpResponse.PushPromiseHandler.PushId	added
HttpResponse.PushPromiseHandler
applyPushPromise(HttpRequest, HttpRequest,...	added
notifyAdditionalPromise(HttpRequest,...	added
HttpResponse
connectionLabel()	added
java.rmi
java.rmi.server
RMIClassLoader
getClassLoader(String)	- throws SecurityException
java.security.jgss
javax.security.auth.kerberos
DelegationPermission	+ deprecated + forRemoval
ServicePermission	+ deprecated + forRemoval
java.sql
java.sql
SQLPermission	+ deprecated + forRemoval
Types
DECFLOAT	added
JSON	added
JDBCType
DECFLOAT	added
JSON	added
Array	+ implements AutoCloseable
close()	added
Blob	+ implements AutoCloseable
close()	added
Clob	+ implements AutoCloseable
close()	added
Connection
enquoteIdentifier(String, boolean)	added
enquoteLiteral(String)	added
enquoteNCharLiteral(String)	added
isSimpleIdentifier(String)	added
SQLXML	+ implements AutoCloseable
close()	added
java.xml.crypto
javax.xml.crypto.dsig
SignatureMethod
ECDSA_SHA3_224	added
ECDSA_SHA3_256	added
ECDSA_SHA3_384	added
ECDSA_SHA3_512	added
SHA3_224_RSA_MGF1	added
SHA3_256_RSA_MGF1	added
SHA3_384_RSA_MGF1	added
SHA3_512_RSA_MGF1	added
java.xml
javax.xml.catalog
CatalogManager
catalogResolver(Catalog,...	added
CatalogResolver.NotFoundAction	added

Data Source

This report is based on simple comparison of all public and protected APIs of the Java SE packages of JDK builds 27-ea+1-3-open and 21.0.9+10-LTS-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.