Uses of Class

Packages that use Hashtable
Contains all of the classes for creating user interfaces and for painting graphics and images.
Provides classes for creating and modifying images.
Provides the classes and interfaces for the security framework.
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.
Provides the core classes for the Java Management Extensions.
Provides the classes and interfaces for accessing naming services.
Extends the javax.naming package to provide functionality for accessing directory services.
Provides support for LDAPv3 extended operations and controls.
Provides the means for dynamically plugging in support for accessing naming and directory services through the javax.naming and related packages.
Provides a set of "lightweight" (all-Java language) components that, to the maximum degree possible, work the same on all platforms.
Provides user interface objects built according to the Basic look and feel.
Provides the default HTML parser, along with support classes.
Allows developers to provide support for undo/redo in applications such as text editors.