Introduction to Java2 Runtime Environment
jre is the abbreviation of Java RunTime Envirment. Java Runtime Environment (including JavaPlug-in) is a product of Sun and consists of two parts: Java Runtime Environment and Java Plug-in. Java Runtime Environment (JRE) is a Java platform on which applications can be run, tested and transmitted. It includes Java virtual machine, Java platform core classes and supporting files. It does not include development tools -- compilers, debuggers, and other tools. The JRE requires auxiliary software--the JavaPlug-in--in order to run applets in the browser.
The JavaPlug-in software allows Java applets and Java Beans components to run in browsers using Sun's Java Runtime Environment (JRE) instead of running in browsers using the default Java runtime environment. Java Plug-in is available for Netscape Navigator and Microsoft Internet Explorer.
J2RE is Java2 Runtime Environment, which is Java runtime environment, sometimes referred to as JRE. If you just need to run a Java program or Applet, download and install it. If you want to develop Java software by yourself, please download JDK. JRE is included with the JDK. Note that due to Microsoft's incomplete support for Java, please do not use the virtual machine that comes with IE to run Applets. Be sure to install a JRE or JDK.





















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