public class Point {

    public int x;
    public int y;

    public Point() {
    }

    public Point(int x, int y) {
	this.x = x;
	this.y = y;
    }

    public boolean equals(Object obj) {
	if (obj == null) {
	    return false;
	}
	if (getClass() != obj.getClass()) {
	    return false;
	}
	final Point other = (Point) obj;
	if (this.x != other.x) {
	    return false;
	}
	return true;
    }

    public int hashCode() {
	int hash = 7;
	hash = 67 * hash + this.x;
	hash = 67 * hash + this.y;
	return hash;
    }
}