And that’s it! Of course, the exact text—including its punctuation—varies and isn’t that important. “Hello, world” is just a fun, positive thing to see when you run your first program.

Run your first Java program! When you run your first Java program, you should see output that proves your variables, conditional logic and iterative statements all work. Along with the prompts to ...

Java basics: your first program Head over to compilejava.net and you will be greeted by an editor with a bunch of code already in it. (If you would rather use a different IDE or app that’s fine too!