public class OverloadTest {
  double x, y;

  public OverloadTest(double x0, double y0) {
    x = x0; y = y0;
  }

  // foo-1
  public void foo(double dx, double dy) {
    x += dx; y += dy;
  }

  // foo-2
  public void foo(int dx, int dy) {
    x *= dx; y *= dy;
  }

  public void print() {
    System.out.printf("(%g, %g)", x, y);
    System.out.println();
  }

  /* 1 */
}

void main()  {
  OverloadTest o = new OverloadTest(1.1, 2.2);
  o.foo(3.3, 4.4); // foo-1 が呼ばれる
  o.print();
  o.foo(2, 3);     // foo-2 が呼ばれる
  o.print();
  /* 2 */
}