It’s tricky to pinpoint the exact genesis of Hello World, but the earliest concrete example we have is from the book ‘A Tutorial Introduction ... typing to call Java’s print function.

A Java Swing-based Hello World program, which uses Java's desktop development APIs, is a nice departure from console-based programming. package com.example.helloworld.static; public class HelloWorld { ...

If you wanted to print to just the console window ... to evaluate a platform’s user-friendliness. This tutorial provides a side-by-side comparison of how to write a Hello World application in both ...

In this Java tutorial for beginners ... interpreted verbatim as a string. Now we print to the screen as before, but this time have replaced “Hello world!” With “Hello ” + name.