// This class defines a new type of objects named Point.
// Each Point object keeps track of a pair of (x, y) coordinates
// and contains methods to perform behavior on that data.
// 
// The contents of the class describe the state and behavior 
// that EACH point object will have.

public class Point {
    int x;  // fields (each object's data)
    int y;
    
    // Describes how each Point object translates its (x, y) location.
    public void translate(int dx, int dy) {
        x += dx;
        y += dy;
    }
    
    // Returns the distance between the current point and the given
    // parameter p.  (We only pass one Point as a parameter, because
    // the other is the "implicit parameter."
    public double distance(Point p) {
        int dx = x - p.x;
        int dy = y - p.y;
        return Math.sqrt(dx * dx + dy * dy);
    }
    
    // Computes and returns the distance between the current Point
    // object and the origin (0, 0).
    public double distanceFromOrigin() {
        double distance1 = Math.sqrt(x * x + y * y);
        return distance1;
    }
    
    // Sets the current Point object's (x, y) coordinates to the given values.
    public void setLocation(int newX, int newY) {
        x = newX;
        y = newY;
    }
}