Now, open the Command Prompt and run it as administrator. We will make use of the ‘cd’ command to change the operating directory on the Command Prompt to the one where your Java program is stored.

Click "Start," type "cmd" into the search bar, then click "cmd" in the search results to launch the DOS command prompt. Enter the following command to compile a CPP file:>CL C:\example.cpp ...

1. The Java compiler: javac. The javac utility is the most important command-line interface tool you will find in the JDK's bin directory. This is the Java compiler, and whether you use Maven, Gradle, ...

The compiler is the software program capable of taking raw .java files—which are plain text—and rendering them into executable .class files. We’ll see the compiler in action soon.