// Second version of Point class for storing an ordered pair (x, y).  This
// version has fields, an accessor method (distance) and a mutator method
// (translate).

public class Point {
    int x;
    int y;

    // translates this point's coordinates by the given delta-x and delta-y
    public void translate(int dx, int dy) {
        x = x + dx;
        y = y + dy;
    }
        
    // returns the distance from this point to the given point
    public double distance(Point other) {
        int dx = this.x - other.x;
        int dy = this.y - other.y;
        return Math.sqrt(dx * dx + dy * dy);
    }
}