How I have broke Java

tricky.java

for(int i = 126; i < 130; i++) {
    Integer n1 = i;
    Integer n2 = i;

    System.out.println(String.format("%d => %b", i, n1 == n2));
}

/* Out :
126 => true
127 => true
128 => false
129 => false
*/