/**
 * Created by mayton on 8/18/2015.
 */
public class Point implements Comparable {

    int x;
    int y;

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

    @Override
    public int compareTo(Object o) {
        if (o==null) return -1;
        if (o instanceof Point){
            Point p = (Point)o;
            if (this.x < p.x) return -1;
            if (this.x > p.x) return 1;
                // x1 = x2
                if (this.y < p.y) return -1;
                if (this.x > p.y) return 1;
                // x1 = x2 AND y1 = y2
                return 0;
        }
        return -1;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;
        Point point = (Point) o;
        if (x != point.x) return false;
        return y == point.y;

    }

    @Override
    public int hashCode() {
        int result = x;
        result = 31 * result + y;
        return result;
    }
}