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.

It also provides a platform-independent runtime environment called the Java Virtual Machine (JVM), which allows Java code to run on any platform that supports the JVM.

Using Java securely on Windows 11/10 In case you need to use Java and you are running Java on your system, it is necessary to follow certain best practices to safeguard your computer.