How To: Compile and run a "Hello World" program in Java

Compile and run a "Hello World" program in Java

You should already have the JDK installed on your computer, and you should already have optimized your computer's settings. See How to install the Java Development Kit to start programming to do that if you haven't already.

After that, you can start working on your very first Java program, and the basic one everybody starts out with is the "Hello World" program. Learn how to write the source code to make the very simple Java program, and then learn compiling and running it through the command prompt. Also, learn about Java files, class files, source code and machine/byte code. There's also some tips on how to use comments inside your code. Lastly, learn about copying the output from cmd to your source code.

Want to master Microsoft Excel and take your work-from-home job prospects to the next level? Jump-start your career with our Premium A-to-Z Microsoft Excel Training Bundle from the new Gadget Hacks Shop and get lifetime access to more than 40 hours of Basic to Advanced instruction on functions, formula, tools, and more.

Buy Now (97% off) >

Other worthwhile deals to check out:

Join the Next Reality AR Community

Get the latest in AR — delivered straight to your inbox.

Be the First to Comment

Share Your Thoughts

  • Hot
  • Latest