Now compile the program by entering javac HelloWorld.java in Terminal. Enter java HelloWorld to run it. You should see Hello World outputted into the Terminal.

In class, we have linux computers, and use the g++ compiler to compile and then can run these programs in linux also, just simple programs in the terminal, how would I do the same on a Mac. Thanks ...

Now, open the Command Prompt and run it as administrator. We will make use of the ‘cd’ command to change the operating directory on the Command Prompt to the one where your Java program is stored.

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