The above command doesn’t set your Java compiler PATH permanently. It sets the environment variable for that session, but that change will be wiped away when you close the Command Prompt session.

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, ...

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.

Select the file name extension as .java. Step 2: Compile the Java code. Once you have written the Java code, you need to compile it. The Java compiler converts the code into bytecode which is then ...