The Java Development Kit.
Take full advantage of the Java programming language and APIs with Sun's award-winning JDK software. Includes the Java virtual machine, tools, core class libraries, and the freely redistributable Java Runtime Environment (subject to licensing terms). Build 100% Pure Java applications that are portable across all Java compatible systems.

Java Plug-in.
Deploy Java applets across browsers in the enterprise using consistent, reliable, full-featured, Java CompatibleTM runtime technology.
Java Standard Extensions.
Enhance your applications with supplemental Java classes that extend the functionality of the core JDK software.

Tools and Utilities.
Speed development and testing with useful tools and utilities.
JDK Archives.
Earlier versions of the JDK. Online Books. Learn about beginning through advanced Java technology topics from a selection of online versions of acclaimed Sun's Java Series Books.
Early Access Packages.
Evaluate Sun's cutting-edge development kits and APIs before general release.
Sample Code.
Increase your expertise of the Java programming language and its comprehensive set of APIs. Coupons for discounts on hardcopy documentation, and more!