Find XpowerY in O(logN)

It will keep on dividing the power by 2.If it is odd divide by 2 and multiply with x

public class RecursiveXpowerY {
 public static void main(String[] args) {
  int pow = recursiveXpowY(2, 5);
  System.out.println(pow);
 }
 /**
  * It finds the value in O(logN)
  * @param x
  * @param y
  * @return
  */
 public static int recursiveXpowY(int x, int y) {
  if (x == 0)
   return 1;
  if (y % 2 == 1) {// y is odd
   return recursiveXpowY(x * x, y / 2) * x;
  } else {
   return recursiveXpowY(x * x, y / 2);
  }
 }
}