| Package | Description | 
|---|---|
| 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.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, legacy collection classes, event model,
date and time facilities, internationalization, and miscellaneous utility
classes (a string tokenizer, a random-number generator, and a bit array). | 
| 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.loading | Provides the classes which implement advanced dynamic
        loading. | 
| 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  JFileChoosercomponent. | 
| 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. | 
| Modifier and Type | Field and Description | 
|---|---|
| static Boolean | TextAttribute. RUN_DIRECTION_LTRLeft-to-right run direction. | 
| static Boolean | TextAttribute. RUN_DIRECTION_RTLRight-to-left run direction. | 
| static Boolean | TextAttribute. STRIKETHROUGH_ONA single strikethrough. | 
| static Boolean | TextAttribute. SWAP_COLORS_ONSwap foreground and background. | 
| Modifier and Type | Field and Description | 
|---|---|
| static Boolean | Boolean. FALSEThe  Booleanobject corresponding to the primitive
 valuefalse. | 
| static Boolean | Boolean. TRUEThe  Booleanobject corresponding to the primitive
 valuetrue. | 
| Modifier and Type | Field and Description | 
|---|---|
| static Class<Boolean> | Boolean. TYPEThe Class object representing the primitive type boolean. | 
| Modifier and Type | Method and Description | 
|---|---|
| static Boolean | Boolean. valueOf(boolean b)Returns a  Booleaninstance representing the specifiedbooleanvalue. | 
| static Boolean | Boolean. valueOf(String s)Returns a  Booleanwith a value represented by the
 specified string. | 
| Modifier and Type | Method and Description | 
|---|---|
| int | Boolean. compareTo(Boolean b)Compares this  Booleaninstance with another. | 
| Modifier and Type | Field and Description | 
|---|---|
| static SocketOption<Boolean> | StandardSocketOptions. IP_MULTICAST_LOOPLoopback for Internet Protocol (IP) multicast datagrams. | 
| static SocketOption<Boolean> | StandardSocketOptions. SO_BROADCASTAllow transmission of broadcast datagrams. | 
| static SocketOption<Boolean> | StandardSocketOptions. SO_KEEPALIVEKeep connection alive. | 
| static SocketOption<Boolean> | StandardSocketOptions. SO_REUSEADDRRe-use address. | 
| static SocketOption<Boolean> | StandardSocketOptions. TCP_NODELAYDisable the Nagle algorithm. | 
| Modifier and Type | Method and Description | 
|---|---|
| static TemporalQuery<Boolean> | DateTimeFormatter. parsedLeapSecond()A query that provides access to whether a leap-second was parsed. | 
| Modifier and Type | Method and Description | 
|---|---|
| static <E> Set<E> | Collections. newSetFromMap(Map<E,Boolean> map)Returns a set backed by the specified map. | 
| Modifier and Type | Method and Description | 
|---|---|
| static <K> ConcurrentHashMap.KeySetView<K,Boolean> | ConcurrentHashMap. newKeySet()Creates a new  Setbacked by a ConcurrentHashMap
 from the given type toBoolean.TRUE. | 
| static <K> ConcurrentHashMap.KeySetView<K,Boolean> | ConcurrentHashMap. newKeySet(int initialCapacity)Creates a new  Setbacked by a ConcurrentHashMap
 from the given type toBoolean.TRUE. | 
| Modifier and Type | Method and Description | 
|---|---|
| static <T> Collector<T,?,Map<Boolean,List<T>>> | Collectors. partitioningBy(Predicate<? super T> predicate)Returns a  Collectorwhich partitions the input elements according
 to aPredicate, and organizes them into aMap<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  Collectorwhich partitions the input elements according
 to aPredicate, reduces the values in each partition according to
 anotherCollector, and organizes them into aMap<Boolean, D>whose values are the result of the downstream
 reduction. | 
| Modifier and Type | Method and Description | 
|---|---|
| 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. | 
| 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. | 
| Modifier and Type | Method and Description | 
|---|---|
| void | MLet. postRegister(Boolean registrationDone)Allows the m-let to perform any operations needed after having been
 registered in the MBean server or after the registration has failed. | 
| Modifier and Type | Method and 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. | 
| Modifier and Type | Method and 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. | 
| Modifier and Type | Field and Description | 
|---|---|
| static SimpleType<Boolean> | SimpleType. BOOLEANThe  SimpleTypeinstance describing values whose
 Java class name isjava.lang.Boolean. | 
| Modifier and Type | Method and Description | 
|---|---|
| Boolean | RelationServiceMBean. hasRelation(String relationId)Checks if there is a relation identified in Relation Service with given
 relation id. | 
| Boolean | RelationService. hasRelation(String relationId)Checks if there is a relation identified in Relation Service with given
 relation id. | 
| Boolean | RelationSupportMBean. isInRelationService()Returns an internal flag specifying if the object is still handled by
 the Relation Service. | 
| Boolean | RelationSupport. isInRelationService()Returns an internal flag specifying if the object is still handled by
 the Relation Service. | 
| Modifier and Type | Method and Description | 
|---|---|
| Integer | RelationServiceMBean. checkRoleWriting(Role role,
                String relationTypeName,
                Boolean initFlag)Checks if given Role can be set in a relation of given type. | 
| Integer | RelationService. 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 | RelationSupportMBean. setRelationServiceManagementFlag(Boolean flag)Specifies whether this relation is handled by the Relation
 Service. | 
| void | RelationSupport. setRelationServiceManagementFlag(Boolean flag) | 
| Modifier and Type | Method and Description | 
|---|---|
| void | JMXConnectorServer. postRegister(Boolean registrationDone) | 
| Modifier and Type | Method and Description | 
|---|---|
| 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. | 
| 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. | 
| Modifier and Type | Method and 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. | 
| Modifier and Type | Method and 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
  desktopIconare valid. | 
| Modifier and Type | Method and Description | 
|---|---|
| Boolean | FileView. isTraversable(File f)Whether the directory is traversable or not. | 
| Boolean | FileSystemView. isTraversable(File f)Returns true if the file (directory) can be visited. | 
| Modifier and Type | Field and Description | 
|---|---|
| protected Hashtable<TreePath,Boolean> | BasicTreeUI. drawingCacheUsed for minimizing the drawing of vertical lines. | 
| Modifier and Type | Method and Description | 
|---|---|
| Boolean | BasicFileChooserUI.BasicFileView. isHidden(File f) | 
| Modifier and Type | Method and Description | 
|---|---|
| Boolean | DocumentationTool.DocumentationTask. call()Performs this documentation task. | 
| Boolean | JavaCompiler.CompilationTask. call()Performs this compilation task. | 
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