import java.awt.*;

class TestPoint {

    public static void f(Point v) {
        v = new Point(0, 0);
    }

    public static void g(Point v) {
        v.setLocation(0, 0);
    }

    public static void main(String[] args) {

        Point p = new Point(10, 10);
        System.out.println(p);
        f(p);
        System.out.println(p);
        g(p);
        System.out.println(p);
    }

}