/**
 * 
 * A Point has an x and a y coordinate.
 * 
 * @author Benjamin Shults
 * @version 1
 */

public class Point implements Cloneable {
  
  /**
   * The x coordinate of the point.
   */
  protected double x;
  /**
   * The y coordinate of the point.
   */
  protected double y;

  public boolean equals(Object o) {
    if (o instanceof Point) {
      Point arg = (Point) o;
      return this.x == arg.x && this.y == arg.y;
    } else
      return false;
  }

  public Point clone() {
    try {
      return (Point) super.clone();
    } catch (CloneNotSupportedException e) {
      throw new Error("Clone is supported.", e);
    }
  }

  public int hashCode() {
    return (int) (Double.doubleToLongBits(this.x) +
                  Double.doubleToLongBits(this.y));
  }

  public String toString() {
    return "(" + x + ", " + y + ")";
  }

  /**
   * Construct the origin.  I.e., the point (0, 0).
   */
  public Point() {
    this(0.0, 0.0);
  }

  /**
   * Construct the point (<b>x</b>, <b>y</b>).
   * @param x the x-coordinate of the point to be constructed.
   * @param y the y-coordinate of the point to be constructed.
   */
  public Point(double x, double y) {
    this.x = x;
    this.y = y;
  }
  
} // Point