package week13;

public class CalEx {
	public static void main(String[] args) {
		Calc calc = new Calc();
		
		CalUser1 user1 = new CalUser1();
		user1.setCalc(calc);
		user1.start();
		
		CalUser2 user2 = new CalUser2();
		user2.setCalc(calc);
		user2.start();
	}
}