public class PassByValueDriver {
	public static void main(String[] args) {
		
		int year = 1900;
		Message formalHelloMsg = new Message("Hello Sir", 1);
		Message formalByeMsg = new Message("GoodBye Sir", 3);
		
		System.out.println("Before calling test");
		System.out.println(year);
		formalHelloMsg.display();
		formalByeMsg.display();
		System.out.println("");
		
		PassByValue tester = new PassByValue();
		year = tester.test(year, formalHelloMsg, formalByeMsg);
		
		System.out.println("After calling test");
		System.out.println(year);
		formalHelloMsg.display();
		formalByeMsg.display();
	}
}