How do you do the Hello, World command?

Go to your console window (in Windows, go to the start menu and click “run”, then type “cmd.exe”; in Linux, open a terminal). Use the cd command ( cd dirname or .. to go up one directory) to navigate to the directory where HelloWorld. java was saved. Compile the program using the command javac HelloWorld .

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What is Hello, World in coding?

A “Hello, world!” program is a computer program that outputs or displays “Hello, world!” to a user . Being a very simple program in most programming languages, it is often used to illustrate the basic syntax of a programming language for a working program, and as such is often the very first program people write.

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