Sample Code: Pick3.java

package examples;
import becker.robots.*;

public class Pick3 extends Object
{
   public static void main(String[] args)
   {  // Declare the objects needed
      City newYork = new City();
      newYork.showThingCounts(true);
      Robot hal = new Robot(newYork, 1, 2, Directions.EAST);
      Thing t1 = new Thing(newYork, 2, 2);
      Thing t2 = new Thing(newYork, 3, 2);
      Thing t3 = new Thing(newYork, 4, 2);
      CityFrame f = new CityFrame(newYork, 4, 7);

      hal.move();
      hal.pickThing();
      hal.move();
      hal.pickThing();
      hal.move();
      hal.pickThing();
      hal.move();
      hal.putThing();
      hal.putThing();
      hal.putThing();
      hal.move();
   }
}

Note: the source code for an applet is slightly different than for an application.