2+2=5

import java.lang.reflect.Field;

public class Main {
public static void main (String[] args) throws Exception {
Class cache = Integer.class.getDeclaredClasses ()[0];
Field c = cache.getDeclaredField ("cache");
c.setAccessible (true);
Integer[] array = (Integer[]) c.get (cache);
array[132] = array[133];

System.out.printf ("%d",2 + 2);
}
}