Ball.java

import java.awt.Color;
import java.awt.Graphics;

public class Ball extends Block
{
    private int xSpeed;
    private int ySpeed;

    public Ball()
    {
        super(200,200);
        xSpeed = 3;
        ySpeed = 1;
    }

    //add the other Ball constructors
    public Ball(int x, int y)
    {
        super(x, y);
        xSpeed = 3;
        ySpeed = 1;
    }
    public Ball(int x, int y, int wt, int ht)
    {
        super(x,y,wt,ht);
        xSpeed = 3;
        ySpeed = 1;
    }
    public Ball(int x, int y, int wt, int ht, Color c)
    {
        super(x, y, wt, ht, c);
        xSpeed = 3;
        ySpeed = 1;
    }
    public Ball(int x, int y, int wt, int ht, Color c, int xSpd, int ySpd)
    {
        super(x, y, wt, ht, c);
        xSpeed = xSpd;
        ySpeed = ySpd;
    }

   //add the set methods
   public void setXSpeed(int xSpd)
   {
       xSpeed = xSpd;
   }
   public void setYSpeed(int ySpd)
   {
       ySpeed = ySpd;
   }

   public void moveAndDraw(Graphics window)
   {
    //draw a white ball at old ball location
      Ball old = new Ball(getX(), getY());
      old.draw(window, Color.WHITE);

      setX(getX()+xSpeed);
        //setY
      setY(getY()+ySpeed);
        //draw the ball at its new location
      Ball nw = new Ball(getX(), getY());
      nw.draw(window, Color.BLUE);
   }

    public boolean equals(Object obj)
    {
        Ball lhs = (Ball) obj;
        if(this.getX()== lhs.getX() && this.getY() == lhs.getY() && this.getHeight() == lhs.getHeight() && this.getWidth() == lhs.getWidth() && this.getColor() == lhs.getColor() && this.getXSpeed() == lhs.getXSpeed() && this.getYSpeed() == lhs.getYSpeed())
            return true;
        return false;
    }

   //add the get methods
    public int getXSpeed()
    {
        return xSpeed;
    }
    public int getYSpeed()
    {
        return ySpeed;
    }

   //add a toString() method
    public String toString()
    {
        return  getX() + " " + getY() + " " + getWidth() + " " + getHeight() + " " + getColor() + " " + getXSpeed() + " " + getYSpeed();
    }
}