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 Java Hello, World?

Java is an object oriented language (OOP) . Java objects are part of so-called “Java classes”. Let’s go over the Hello world program, which simply prints “Hello, World!” to the screen. public class Main { public static void main(String[] args) { System.

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