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The Java Runtime Environment (JRE) provides the libraries, the Java Virtual Machine, and other components to run applets and applications written in the Java programming language. In addition, two key deployment technologies are part of the JRE: Java Plug-in, which enables applets to run in popular browsers; and Java Web Start, which deploys standalone applications over a network.
 
 Java Plug-in
 Java Web Start
 
Simplified JRE Download via java.com
Sun's consumer-friendly Web site, java.com, is where end users can download the latest JRE. If you want to "host the button" that directs them to this convenient download, visit our Java - Get It Now! Web site.
 
What's New
 
 
December 2004
Trouble-Shooting and Diagnostic Guide (JDK 5.0) This document is a guide to help trouble-shoot problems with applications, and it provides a description of the tools, command line options, and other items that can be used when analyzing a problem.
» Read more
 
December 2004
Java Virtual Machines (JDK 5.0) Learn about new features, changes, and command-line options in the latest Java HotSpot VM. In addition, read FAQs, performance documentation, and architecture white papers.
» Read more
 
December 2004
Java Plugin Guide (JDK 5.0) Learn about Java Plugin basics, deployment schemes, and security and debugging support in this detailed guide to the JRE.
» Read more
 
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Looking for an Older Release?
Sun provides some older product and technology releases as a courtesy to developers for problem resolution. These releases and products have completed the Sun "end-of-life" (EOL) process and are no longer supported under standard support contracts. However, you can access them via our archives.

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