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 { ...

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.

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.