Objects, Classes, and Interfaces

API Changes Affecting Objects, Classes, and Interfaces

The Class Declaration

JDK 1.1 allows you to declare inner classes. See 1.1 Changes: Inner Classes.

The Java Packages

Fifteen new packages were added to the java.* set and one was removed. See 1.1 Changes: java.* Packages.

The Java Language Package

Three classes were added to java.lang. See 1.1 Changes: java.lang Package.

The Java I/O Package

Classes were added to java.io to support reading/writing of 16-bit Unicode characters. See 1.1 Changes: java.io Package.

The Java Utility Package

Classes were added to java.util to support internationalization and event handling. See 1.1 Changes: java.util Package.

The Java Networking Package

Several classes were added to java.net. See API Changes Affecting Custom Networking and Security.

The Applet Package

For a summary of changes to the java.applet package, see [PENDING].

The Abstract Window Toolkit Packages

For information about changes to the java.awt packages, see GUI Changes: The AWT Grows Up.

Objects, Classes, and Interfaces