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.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.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.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.