weird.java

public static void main(String[] args) {
    Integer x = 128;
    Integer y = 128;
    Integer a = 127;
    Integer b = 127;

    if (a == b) {
      System.out.println("a == b");
    } else {
      System.out.println("a != b"); 
    }

    if (x == y) {
      System.out.println("x == y");
    } else {
      System.out.println("x != y"); 
    }
}

Output:
a == b
x != y

is doof