
public class HelloWorld {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
			System.out.println("Hello World!");
	}

}


public class HelloWorld {

	public static void main(String[] args) {
		String name = "Joe";
			// TODO Auto-generated method stub
			System.out.println("Hello " + name );
	}

}

add name variable