Contains all of the classes for creating user interfaces and for paintinggraphics and images.

Provides classes that are fundamental to the design of the Javaprogramming language.

Provides classes for performing arbitrary-precision integerarithmetic (BigInteger) and arbitrary-precision decimalarithmetic (BigDecimal).

Provides classes and interfaces for handling text, dates, numbers,and messages in a manner independent of natural languages.

A small toolkit of classes that support lock-free thread-safeprogramming on single variables.

Defines a contract between user-interface components and an assistivetechnology that provides access to those components.

Provides the core classes for the Java Management Extensions.

Provides the definition of the monitor classes.

Provides a set of "lightweight" (all-Java language) componentsthat, to the maximum degree possible, work the same on all platforms.

Defines XML/Java Type Mappings.