public class Point implements Cloneable {

	private double x = 0;
	private double y = 0;

	public Point()  {}


	public Point(double x, double y ) {
		this.x = x;
		this.y = y;
	}
	
	// Cloning constructor
	public Point(Point p) {
		this.x = p.x;
		this.y = p.y;
	}

	public double getX () {
		return x;
	}

  	public double getY () {
  		return y;
  	}

  	public boolean equals(Object p)  {
  		if(p == null)
  			return false;
  		if(this == p)
  			return true;
  		if(!(p instanceof Point))
  			return false;
  		Point tmp = (Point)p;
  		return this.x == tmp.x && this.y==tmp.y;
  	}
  	
  	// Possible but not recommended
  	public boolean equals(Point p)  {
  		return this.x == p.x && this.y == p.y;
  	}
  	
  	public Object clone() {
  		try {
  			return super.clone();
  		} 
  		catch(CloneNotSupportedException e) {
  			throw new Error("Assertion failure");  // Can�t happen
  		}
  	}
  	
  	public static Point newInstance(Point p) {
  		return new Point(p);
  	}

  	public static boolean sameLine(Point a, Point b, Point c)  {
  		throw new UnsupportedOperationException();
  	}

  	public double distanceTo(Point p) {
  		throw new UnsupportedOperationException();
  	}
}