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Using JRockit JDK

# Using Web Start with BEA JRockit

This version of BEA JRockit includes an implementation of Java Web Start, a tool that allows you to start Java applications with a single click in your browser. With Web Start, you can download and launch applications directly from the browser and avoid complex and time-consuming installation procedures. Any Java application can be started by using Web Start.

This section includes information on the following subjects:

- Platforn Support
- What You Can Do with Web Start
- Web Start Security
- Installing and Launching Web Start
- Comprehensive Web Start Documentation

# Platforn Support

Java Web Start is available only on Windows IA32 and Linux IA32 systems.

# What You Can Do with Web Start

With Java Web Start, you launch applications simply by clicking on a Web page link. If the application is not present on your computer, Java Web Start automatically downloads all necessary files. It then caches the files on your computer so the application is always ready to be relaunched anytime you want—either from an icon on your desktop or from the browser link. And no matter which method you use to launch the application, the most current version of the application is always presented to you.

# Web Start Security

Java Web Start includes the security features of the Java platform to ensure the integrity of your data and files. It also enables you to use the latest Java 2 technology with any browser.

# Installing and Launching Web Start

Java Web Start is installed as part of the public JRE installation (see Installing the BEA JRockit JRE).

## Windows Platforms

Upon installation, a new icon will appear on your desktop (Figure B-1) and a new program group appears in your Start menu, under Programs.

Figure B-1 Java Web Start Icon

Use either of these to launch Java Web Start:

`<jre_home>``/bin/javaws`

>     where <jre_home> is you JRE home directory, for example:

>     C:\Program File\Java\jrockit-jdk1.5.0_02\jre).

## Linux Platforms

The Linux installation itself does not change with Web Start added; however, you can only launch Web Start from the command line. Do so by entering the command:

`<jre_home>``/bin/javaws`

Note: JPackage RPMs will install Java Web Start and you can start by using the same command used for other Linux platforms.

# Comprehensive Web Start Documentation

Java Web Start is a Sun Microsystems product and the BEA JRockit implementation is no different than Sun's. Please refer to the following documents for more complete information on using this feature:

- Java Web Start Developers Section:

>     http://java.sun.com/products/javawebstart/developers.html

- Java Web Start API Specification:

>     http://java.sun.com/products/javawebstart/reference/api/index.html

- Code Samples and Applications:

>     http://java.sun.com/products/javawebstart/reference/codesamples/index.html

- Technical Articles & Tips:

>     http://java.sun.com/products/javawebstart/reference/techart/index.html

- FAQs:

>     http://java.sun.com/products/javawebstart/faq.html