Need Help with Simple Recursion!

I'm trying to get this simple recursion method figured out and I'm having a tough time. What this function is supposed to do is accept 2 arguments into parameters x and y and then give back the value of x times y. How do I do this?? I know I have to use addition somehow since it is recursion! Any help would be appreciated! Thanks!
Phil

Moved from CodeBank (which is for finished code samples), and mis-post deleted.

Code:

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  public static int multiply(int x, int y) {
    if (y == 1) {
      return x;
    }
    else {
      return x + multiply(x, y - 1);
    }
  }

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