// -*- java -*-

import java.util.Vector;


class Point {
    double x, y;

    Point(double x_, double y_) { x = x_; y = y_; }

    void translate(double x_, double y_) { x += x_; y += y_; }

    public String toString() { return "Point(" + x + ", " + y + ")"; }
};

public class java {
    public static void main(String[] args) {
	int i = 1;
	int i2 = i;
	i2++;
	System.out.println("i2: " + i2 + "\n" + " i: " + i);

	String s = "hello";
	String s2 = s;
	s += "!";
	System.out.println("s2: " + s2 + "\n" + " s: " + s);

	Vector l = new Vector(); l.add("hello");
	Vector l2 = l;
	l2.add("world");
	System.out.println("l2: " + l2 + "\n" + "l: " + l);

	Point p = new Point(0, 1);
	Point p2 = p;
	p2.translate(1, 1);
	System.out.println("p2: " + p2 + "\n" + "p: " + p);
    }
};