// A Point object represents a pair of (x, y) coordinates.
// Third version: state and behavior with constructor.

public class Point {
    int x;
    int y;

    // Constructs a new point with the given (x, y) location.
    public Point(int initialX, int initialY) {
        x = initialX;
        y = initialY;
    }

    // Returns the distance between this point and (0, 0).
    public double distanceFromOrigin() {
        return Math.sqrt(x * x + y * y);
    }

    // Shifts this point's location by the given amount.
    public void translate(int dx, int dy) {
        x += dx;
        y += dy;
    }
}