What is Hello World?
Hello World is usually the first program people write when learning a new programming language. It proves that your code editor, compiler or runtime is working correctly.
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Choose a language below to view a dedicated Hello World example page with copy-and-paste code.
Why do programmers write Hello World?
Hello World is a simple first program used by beginners to check that a programming language, code editor, compiler or runtime is working correctly. It is short, memorable and easy to understand.
Although Hello World is simple, it often introduces important ideas such as printing text, running a file, using a main function, compiling code or writing output to a console.
Frequently Asked Questions
What is a Hello World program?
A Hello World program is a small program that displays the text “Hello, World!”.
Why is Hello World used by beginners?
Hello World is used because it is simple, easy to test and shows that the basic programming environment is working.
Can I copy and paste these examples?
Yes. Each dedicated language page includes copy-and-paste code for that programming language.