Uses of Class
java.lang.Character

Packages that use Character 
Package Description
java.awt
Contains all of the classes for creating user interfaces and for painting graphics and images.
java.lang
Provides classes that are fundamental to the design of the Java programming language.
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.
javax.management.openmbean
Provides the open data types and Open MBean descriptor classes.
javax.swing
Provides a set of "lightweight" (all-Java language) components that, to the maximum degree possible, work the same on all platforms.