public class Piste {

    public int x;
    public int y;

    public void tulostsaArvot() {
        System.out.println("x")
	System.out.println("y")
    }
}

public class Sovellus {
    public static void main(String args[]) {
        Piste origo = new Piste();
        Piste origo2 = origo;

        origo.x = 5;
        origo.y = 7;

        System.out.println(origo2.x);
        System.out.println(origo2.y);
    }
}