Here is how to compile and run Java from the Terminal in OS X. Open Terminal. Enter mkdir HelloWorld to create a new directory and cd HelloWorld to move into it.

In this article, we explain how you can run Java programs from the Command Prompt. ... Terminal, too. ... you will have to write the code that you want to run and save that as a Java executable file.

Steps to run Java preview features. In summary, the five steps involved in the compilation and execution of source code that uses a Java preview feature are: Ensure the JDK of interest is installed.