public static void main(String[] args) {

		Integer n1 = 128;

		Integer n2 = 128;

		System.out.println(n1 == n2);

		System.out.println(n1 != n2);


        Integer n3 = 127;

        Integer n4 = 127;

        System.out.println(n3 == n4);

        System.out.println(n3 != n4);
	}