IntegerCompareBoundaryValueTest.java

class IntegerCompareBoundaryValueTest {
    public static void main(String[] args) {
        Integer a = 127;
        Integer b = 127;
        System.out.println(a == b);

        a = 128;
        b = 128;
        System.out.println(a == b);

        a = -128;
        b = -128;
        System.out.println(a == b);

        a = -129;
        b = -129;
        System.out.println(a == b);
    }
}