public static void main(String[] args) {
		// Žг
		WangPo wangPo = new WangPo();

		// Ȼ˵Ҫ˽happyȻžͰ춪ӵǳϷ:
		wangPo.makeEyesWithMan(); // ûȻʱʵˬ˽
		wangPo.happyWithMan();
		
		WangPo wangPo2 = new WangPo(new JiaShi());
		wangPo2.makeEyesWithMan();
		wangPo2.happyWithMan();
	}