TopBox.javaBall.java

Ball.java

import objectdraw.*;
import java.awt.*;

/**
 * --- WHAT DOES IT DO?
 * @author -----
 */

public class Ball extends ActiveObject {

   /**
    * ????
    * --- 51 students:  Add parameters as necessary.
    */
   public Ball(         ) {
      // Add your code here.  
      // Make sure that the start method call is the last thing
      // in the constructor as this class extends ActiveObject.
      
      start();
   }
   
   /**
    * ????
    */
   public void run() {
      // Change the true condition to the condition that tests for the ball reaching 
      // the bottom of the playing area.
      while (true) {
         // Add code to move the ball a small distance down here.
         pause(50);
      }

      // Add the code that should be executed when you reach the bottom of the 
      // playing area.
   }
}

TopBox.javaBall.java