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Hello World application

1. Open your IntelliJ IDEA and click on ‘New Project’.

2. Give your project a reasonable name - i.e. HelloWorld.

3. You don’t have to change anything else on this page, just note where the project will be saved - in your home folder in IdeaProjects.

4. You can click Finish.

5. After a short while the project will appear on the left hand side.

6. Right-click on the src folder and select New->Java Class. Name it Main .

7. Your project will be created and opened in your IntelliJ. You should see a file called Main.java. It contains a class definition with a main method. That's where we will place our code.

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8. Type in Inside your newly created class, type psvm and click enter. It will create a main method.

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9. Inside the main method, type sout and Enter. It will generate System.out.println("Hello world!"); inside the main method line of code. Within the parenthesis, type "Hello World!".

   

10. Run your application - right-click into the Main.java file and select Run.

    

11. After a short while, you should see a similar output at the bottom part of your IntelliJ window.

    

12. Congratulations, you created your first Java application

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