How to run a Java program using Command Prompt First things first, you will have to write the code that you want to run and save that as a Java executable file.

If you encounter the JAVA_HOME invalid directory error, make sure the name of the installation folder and the value of the variable match. An easy way to see the actual value associated with the ...

The JDK is the development platform for building Java applications. Learn about different JDK versions, then install a JDK in your development environment and use it to compile a Java program.