How do I run a Java program in Eclipse?

The basic steps to create the Hello World program are: write the program in Java, compile the source code, and run the program.

The JavaScript Development Tools (JSDT) provide plug-ins that implement an IDE supporting the development of JavaScript applications and JavaScript within web applications. It adds a JavaScript project type and perspective to the Eclipse Workbench as well as a number of views, editors, wizards, and builders.