How to Create a Class that Runs as a Program with the main Method

A Java class can run as a program if it contains a main() method. To accomplish this task, follow these four steps.

  1. Open your favorite text editor and create a new file. Type in the following Java statements:
    Compile Program with main

  2. Save your file as

  3. Open a command prompt and navigate to the directory containing your new Java program. Then type in the command to compile your program and hit Enter.
    Run Program with main

  4. Now you will run your Java program. Type in the command to run the Java runtime launcher and hit Enter. Notice the output from the main() method in the Java class.
    Run Java Runtime Launcher
Author: Stephen Withrow

Stephen has over 30 years of experience in training, development, and consulting in a variety of technology areas including Python, Java, C, C++, XML, JavaScript, Tomcat, JBoss, Oracle, and DB2. His background includes design and implementation of business solutions on client/server, Web, and enterprise platforms. Stephen has a degree in Computer Science and Physics from Florida State University.

About Webucator

Webucator provides instructor-led training to students throughout the US and Canada. We have trained over 90,000 students from over 16,000 organizations on technologies such as Microsoft ASP.NET, Microsoft Office, Azure, Windows, Java, Adobe, Python, SQL, JavaScript, Angular and much more. Check out our complete course catalog.