Uses of Class
java.lang.Boolean

Packages that use Boolean

Package	Description
com.sun.nio.sctp	A Java API for Stream Control Transport Protocol.
java.awt.font	Provides classes and interface relating to fonts.
java.lang	Provides classes that are fundamental to the design of the Java programming language.
java.lang.classfile	Provides classfile parsing, generation, and transformation library.
java.lang.constant	Classes and interfaces to represent nominal descriptors for run-time entities such as classes or method handles, and classfile entities such as constant pool entries or invokedynamic call sites.
java.net	Provides the classes for implementing networking applications.
java.time.format	Provides classes to print and parse dates and times.
java.util	Contains the collections framework, some internationalization support classes, a service loader, properties, random number generation, string parsing and scanning classes, base64 encoding and decoding, a bit array, and several miscellaneous utility classes.
java.util.concurrent	Utility classes commonly useful in concurrent programming.
java.util.stream	Classes to support functional-style operations on streams of elements, such as map-reduce transformations on collections.
javax.management	Provides the core classes for the Java Management Extensions.
javax.management.modelmbean	Provides the definition of the ModelMBean classes.
javax.management.monitor	Provides the definition of the monitor classes.
javax.management.openmbean	Provides the open data types and Open MBean descriptor classes.
javax.management.relation	Provides the definition of the Relation Service.
javax.management.remote	Interfaces for remote access to JMX MBean servers.
javax.management.timer	Provides the definition of the Timer MBean.
javax.swing	Provides a set of "lightweight" (all-Java language) components that, to the maximum degree possible, work the same on all platforms.
javax.swing.filechooser	Contains classes and interfaces used by the JFileChooser component.
javax.swing.plaf.basic	Provides user interface objects built according to the Basic look and feel.
javax.tools	Provides interfaces for tools which can be invoked from a program, for example, compilers.
jdk.net	Platform specific socket options for the java.net and java.nio.channels socket classes.

Uses of Boolean in com.sun.nio.sctp

Fields in com.sun.nio.sctp with type parameters of type Boolean

Modifier and Type	Field	Description
static final SctpSocketOption<Boolean>	SctpStandardSocketOptions.SCTP_DISABLE_FRAGMENTS	Enables or disables message fragmentation.
static final SctpSocketOption<Boolean>	SctpStandardSocketOptions.SCTP_EXPLICIT_COMPLETE	Enables or disables explicit message completion.
static final SctpSocketOption<Boolean>	SctpStandardSocketOptions.SCTP_NODELAY	Enables or disables a Nagle-like algorithm.

Uses of Boolean in java.awt.font

Fields in java.awt.font declared as Boolean

Modifier and Type	Field	Description
static final Boolean	TextAttribute.RUN_DIRECTION_LTR	Left-to-right run direction.
static final Boolean	TextAttribute.RUN_DIRECTION_RTL	Right-to-left run direction.
static final Boolean	TextAttribute.STRIKETHROUGH_ON	A single strikethrough.
static final Boolean	TextAttribute.SWAP_COLORS_ON	Swap foreground and background.

Uses of Boolean in java.lang

Classes in java.lang that implement interfaces with type arguments of type Boolean

Modifier and Type	Class	Description
final class	Boolean	The Boolean class is the wrapper class for values of the primitive type boolean.

Fields in java.lang declared as Boolean

Modifier and Type	Field	Description
static final Boolean	Boolean.FALSE	The Boolean object corresponding to the primitive value false.
static final Boolean	Boolean.TRUE	The Boolean object corresponding to the primitive value true.

Fields in java.lang with type parameters of type Boolean

Modifier and Type	Field	Description
static final Class<Boolean>	Boolean.TYPE	The Class object representing the primitive type boolean.

Methods in java.lang that return Boolean

Modifier and Type	Method	Description
static Boolean	Boolean.valueOf(boolean b)	Returns a Boolean instance representing the specified boolean value.
static Boolean	Boolean.valueOf(String s)	Returns a Boolean with a value represented by the specified string.

Methods in java.lang that return types with arguments of type Boolean

Modifier and Type	Method	Description
Optional<DynamicConstantDesc<Boolean>>	Boolean.describeConstable()	Returns an Optional containing the nominal descriptor for this instance.

Methods in java.lang with parameters of type Boolean

Modifier and Type	Method	Description
int	Boolean.compareTo(Boolean b)	Compares this Boolean instance with another.

Uses of Boolean in java.lang.classfile^PREVIEW

Methods in java.lang.classfile^PREVIEW that return Boolean

Modifier and Type	Method	Description
default Boolean	AnnotationValue.OfBoolean.resolvedValue()	Returns the resolved boolean value.

Uses of Boolean in java.lang.constant

Fields in java.lang.constant with type parameters of type Boolean

Modifier and Type	Field	Description
static final DynamicConstantDesc<Boolean>	ConstantDescs.FALSE	Nominal descriptor representing the constant FALSE
static final DynamicConstantDesc<Boolean>	ConstantDescs.TRUE	Nominal descriptor representing the constant TRUE

Uses of Boolean in java.net

Fields in java.net with type parameters of type Boolean

Modifier and Type	Field	Description
static final SocketOption<Boolean>	StandardSocketOptions.IP_MULTICAST_LOOP	Loopback for Internet Protocol (IP) multicast datagrams.
static final SocketOption<Boolean>	StandardSocketOptions.SO_BROADCAST	Allow transmission of broadcast datagrams.
static final SocketOption<Boolean>	StandardSocketOptions.SO_KEEPALIVE	Keep connection alive.
static final SocketOption<Boolean>	StandardSocketOptions.SO_REUSEADDR	Re-use address.
static final SocketOption<Boolean>	StandardSocketOptions.SO_REUSEPORT	Re-use port.
static final SocketOption<Boolean>	StandardSocketOptions.TCP_NODELAY	Disable the Nagle algorithm.

Uses of Boolean in java.time.format

Methods in java.time.format that return types with arguments of type Boolean

Modifier and Type	Method	Description
static final TemporalQuery<Boolean>	DateTimeFormatter.parsedLeapSecond()	A query that provides access to whether a leap-second was parsed.

Uses of Boolean in java.util

Method parameters in java.util with type arguments of type Boolean

Modifier and Type	Method	Description
static <E> SequencedSet<E>	Collections.newSequencedSetFromMap(SequencedMap<E,Boolean> map)	Returns a sequenced set backed by the specified map.
static <E> Set<E>	Collections.newSetFromMap(Map<E,Boolean> map)	Returns a set backed by the specified map.

Uses of Boolean in java.util.concurrent

Methods in java.util.concurrent that return types with arguments of type Boolean

Modifier and Type	Method	Description
static <K> ConcurrentHashMap.KeySetView<K,Boolean>	ConcurrentHashMap.newKeySet()	Creates a new Set backed by a ConcurrentHashMap from the given type to Boolean.TRUE.
static <K> ConcurrentHashMap.KeySetView<K,Boolean>	ConcurrentHashMap.newKeySet(int initialCapacity)	Creates a new Set backed by a ConcurrentHashMap from the given type to Boolean.TRUE.

Uses of Boolean in java.util.stream

Methods in java.util.stream that return types with arguments of type Boolean

Modifier and Type	Method	Description
static <T> Collector<T,?,Map<Boolean,List<T>>>	Collectors.partitioningBy(Predicate<? super T> predicate)	Returns a Collector which partitions the input elements according to a Predicate, and organizes them into a Map<Boolean, List<T>>.
static <T, D, A> Collector<T,?,Map<Boolean,D>>	Collectors.partitioningBy(Predicate<? super T> predicate, Collector<? super T,A,D> downstream)	Returns a Collector which partitions the input elements according to a Predicate, reduces the values in each partition according to another Collector, and organizes them into a Map<Boolean, D> whose values are the result of the downstream reduction.

Uses of Boolean in javax.management

Methods in javax.management with parameters of type Boolean

Modifier and Type	Method	Description
void	MBeanRegistration.postRegister(Boolean registrationDone)	Allows the MBean to perform any operations needed after having been registered in the MBean server or after the registration has failed.
void	StandardMBean.postRegister(Boolean registrationDone)	Allows the MBean to perform any operations needed after having been registered in the MBean server or after the registration has failed.

Uses of Boolean in javax.management.modelmbean

Methods in javax.management.modelmbean with parameters of type Boolean

Modifier and Type	Method	Description
void	RequiredModelMBean.postRegister(Boolean registrationDone)	Allows the MBean to perform any operations needed after having been registered in the MBean server or after the registration has failed.

Uses of Boolean in javax.management.monitor

Methods in javax.management.monitor with parameters of type Boolean

Modifier and Type	Method	Description
void	Monitor.postRegister(Boolean registrationDone)	Allows the monitor MBean to perform any operations needed after having been registered in the MBean server or after the registration has failed.

Uses of Boolean in javax.management.openmbean

Fields in javax.management.openmbean with type parameters of type Boolean

Modifier and Type	Field	Description
static final SimpleType<Boolean>	SimpleType.BOOLEAN	The SimpleType instance describing values whose Java class name is java.lang.Boolean.

Uses of Boolean in javax.management.relation

Methods in javax.management.relation that return Boolean

Modifier and Type	Method	Description
Boolean	RelationService.hasRelation(String relationId)	Checks if there is a relation identified in Relation Service with given relation id.
Boolean	RelationServiceMBean.hasRelation(String relationId)	Checks if there is a relation identified in Relation Service with given relation id.
Boolean	RelationSupport.isInRelationService()	Returns an internal flag specifying if the object is still handled by the Relation Service.
Boolean	RelationSupportMBean.isInRelationService()	Returns an internal flag specifying if the object is still handled by the Relation Service.

Methods in javax.management.relation with parameters of type Boolean

Modifier and Type	Method	Description
Integer	RelationService.checkRoleWriting(Role role, String relationTypeName, Boolean initFlag)	Checks if given Role can be set in a relation of given type.
Integer	RelationServiceMBean.checkRoleWriting(Role role, String relationTypeName, Boolean initFlag)	Checks if given Role can be set in a relation of given type.
void	RelationService.postRegister(Boolean registrationDone)
void	RelationSupport.postRegister(Boolean registrationDone)
void	RelationSupport.setRelationServiceManagementFlag(Boolean flag)
void	RelationSupportMBean.setRelationServiceManagementFlag(Boolean flag)	Specifies whether this relation is handled by the Relation Service.

Uses of Boolean in javax.management.remote

Methods in javax.management.remote with parameters of type Boolean

Modifier and Type	Method	Description
void	JMXConnectorServer.postRegister(Boolean registrationDone)

Uses of Boolean in javax.management.timer

Methods in javax.management.timer that return Boolean

Modifier and Type	Method	Description
Boolean	Timer.getFixedRate(Integer id)	Gets a copy of the flag indicating whether a periodic notification is executed at fixed-delay or at fixed-rate.
Boolean	TimerMBean.getFixedRate(Integer id)	Gets a copy of the flag indicating whether a periodic notification is executed at fixed-delay or at fixed-rate.

Methods in javax.management.timer with parameters of type Boolean

Modifier and Type	Method	Description
void	Timer.postRegister(Boolean registrationDone)	Allows the timer MBean to perform any operations needed after having been registered in the MBean server or after the registration has failed.

Uses of Boolean in javax.swing

Methods in javax.swing with parameters of type Boolean

Modifier and Type	Method	Description
void	GroupLayout.setHonorsVisibility(Component component, Boolean honorsVisibility)	Sets whether the component's visibility is considered for sizing and positioning.
protected void	DefaultDesktopManager.setWasIcon(JInternalFrame f, Boolean value)	Sets that the component has been iconized and the bounds of the desktopIcon are valid.

Uses of Boolean in javax.swing.filechooser

Methods in javax.swing.filechooser that return Boolean

Modifier and Type	Method	Description
Boolean	FileSystemView.isTraversable(File f)	Returns true if the file (directory) can be visited.
Boolean	FileView.isTraversable(File f)	Whether the directory is traversable or not.

Uses of Boolean in javax.swing.plaf.basic

Fields in javax.swing.plaf.basic with type parameters of type Boolean

Modifier and Type	Field	Description
protected Hashtable<TreePath,Boolean>	BasicTreeUI.drawingCache	Used for minimizing the drawing of vertical lines.

Methods in javax.swing.plaf.basic that return Boolean

Modifier and Type	Method	Description
Boolean	BasicFileChooserUI.BasicFileView.isHidden(File f)	Returns whether or not a file is hidden.

Uses of Boolean in javax.tools

Subinterfaces with type arguments of type Boolean in javax.tools

Modifier and Type	Interface	Description
static interface	DocumentationTool.DocumentationTask	Interface representing a future for a documentation task.
static interface	JavaCompiler.CompilationTask	Interface representing a future for a compilation task.

Methods in javax.tools that return Boolean

Modifier and Type	Method	Description
Boolean	DocumentationTool.DocumentationTask.call()	Performs this documentation task.
Boolean	JavaCompiler.CompilationTask.call()	Performs this compilation task.

Uses of Boolean in jdk.net

Fields in jdk.net with type parameters of type Boolean

Modifier and Type	Field	Description
static final SocketOption<Boolean>	ExtendedSocketOptions.IP_DONTFRAGMENT	Disable IP packet fragmentation.
static final SocketOption<Boolean>	ExtendedSocketOptions.TCP_QUICKACK	Disable Delayed Acknowledgements.