How do you run a JAR file on Windows, Mac or Linux? Double click the JAR? Run the JAR at the command line? Several approaches will work if you have Java or the JDK installed.

However, with JShell you can run a full Java program without a main method. Just code your logic into a file and run it at the command line: You can run a Java program without a main method in JShell.

The Sudo command allows you to run commands in an elevated mode without opening a separate session for the same. Learn how to run Sudo command in Windows.

The “java.exe” executable file used the command-line environment to run Java applications. It is primarily used to run apps that need a command-line interface (CLI).