View difference between Paste ID: CHUCMmNz and jnwigaMn

 import java.util.*;
 /**
  * Predict the output of the main() method.
  */
 public class EventList
 {
-    private Queue<Event> events;
+    // fully qualified needed for Visualizer
     private java.util.Queue<Event> events;
     public EventList()
     {
         events = new LinkedList<Event>();
     }
     public void addEvent(Event event)
     {
         events.add(event);
     }
     public Event getNext()
     {
         return events.peek();
     }
 
     public static void main(String[] args)
     {
         EventList list = new EventList();
         Event one = new Event("Stadium", new Date());
         list.addEvent(one);
         Event mine = list.getNext();
         System.out.println(mine);
         mine.setWhere("Gym");
         System.out.println(list.getNext());
         one.setWhere("Plaza");
         System.out.println(list.getNext());
     }
 }
 /** Event is something happening at a time and place */
 class Event
 {
     private String where;
     private Date   when;
     /** Create the event */
     public Event(String where, Date when)
     {
         this.where = where;
         this.when = when;
     }
     /** The event's location is changed */
     public void setWhere(String where)
     {
         this.where = where;
     }
     /** The event's time is rescheduled */
     public void setWhen(Date when)
     {
         this.when = when;
     }
     public String toString()
     {
         return where + ":" + when;
     }
 }