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.

In fact, you don’t even have to code your Java into a file. JShell can execute lines of Java code directly on the command line. Java without a main method. Historically, Java devs have had to code a ...

As a Java application user, you would be more involved with the JRE, which lets you run those programs. Java 9 restructured the Java platform so that the JRE is now only available as part of a JDK.