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Java Hello World program using GitHub CodeSpaces

How to run a Java Hello World program using GitHub Codespaces?

When you'll open this project in GitHub Codespaces, a terminal window will be shown at the bottom of the page. Use the terminal window shown at the bottom to run the following command: java HelloWorld.java

How to compile a Java program using GitHub Codespaces?

If you want to find any compile time errors, run the following command: javac HelloWorld.java