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HELLO.WORLDPROGRAM RUNNING · --:--:--
Hello,World_
The first thing every program ever says. A tiny greeting that started it all — now with a little more sparkle.
main.ts
1 function greet() {
2 console.log("Hello, World!")
3 }
PRINT('HELLO, WORLD') ◆console.log ◆System.out.println ◆puts ◆echo ◆printf ◆fmt.Println ◆std::cout << ◆PRINT('HELLO, WORLD') ◆console.log ◆System.out.println ◆puts ◆echo ◆printf ◆fmt.Println ◆std::cout << ◆
01
The tradition
Since 1972, 'Hello, World' has been the ceremonial first program in nearly every language.
02
The simplest test
It proves your toolchain works — compiler, runtime, and screen all talking to each other.
03
A friendly start
Two words that quietly launched millions of careers. Yours might be next.