Java

The java.lang.* and java.util.* Packages

Documentation Contents
The java.lang package provides classes that are fundamental to the design of the JavaTM programming language. The java.lang.refs and java.lang.reflect packages provide, respectively, reference-object classes and APIs for obtaining reflective information about classes.

The java.util.* packages provide support for the event model, collections framework, date and time facilities, and contains various utility classes. The java.util.zip and java.util.jar packages provide support for ZIP file format and Java Archive (JAR) file formats respectively, and the java.util.prefs package implements the Preferences API.

Enhancements

Java 2 SDK v1.4 offers several significant enhancements to the functionality in the java.lang.* and java.util.* packages, including Enhancements in Java 2 SDK v1.3
Version 1.3 of the Java 2 SDK offered several enhancements in the java.lang and java.util.* packages. See Enhancements in 1.3 for details.

API Specifications

Related Documentation


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