Integer a = 9, b = 9;
Integer c = 999999, d = 999999;
int e = 999999, f = 999999;
if (a == b){
System.out.println("small integer == working");
}
if (a.equals(b)){
System.out.println("small integer equals working");
}
if (c == d){
System.out.println("integer == working");
}
if (c.equals(d)){
System.out.println("integer equals working");
}
if (e == f){
System.out.println("int == working");
}