class Foo {
public void foo() {
Integer a = 128;
Integer b = (int) a;// cast is necessary because new object is created
Integer c = 128;
System.out.println(a == b);
System.out.println(a == c);
System.out.println((Long)128L == (Long)128L);
System.out.println(128 == 128);
System.out.println((Long)128L != (Long)128L);
System.out.println(128 != 128);
}
}