
public class HelloWorldAppl {

	public static void main(String[] args) {
		System.out.println("Hello, world!");
	}

}


public class HelloWorldAppl {

	public static void main(String[] args) {
		System.out.println("Hello, world!");
		System.out.println("Good buy, world!");
	}

}

Add "Good buy" to main appl
Add "Good buy" to main appl