added a removeRiddler() method.

data/rooms.dat

@@ -2,8 +2,8 @@ Room name: Circle Room
 Room Description: You are in a circular room. The windows to the east are covered with boards that<br>let in just enough light to see. You spot a man in a tailored suit moving some crates around. 
 Locked: false
 Boarded: false
-Items:Lockpick,Milk
-Riddler: "Hello there. My name is Kevin and I am Sir Pellatt's butler. I understand that my master<comma><br>Sir Pellatt has wrongfully imprisoned you. If you answer my riddle<comma> I can give you something to<br>help you with your escape - nothing comes for free you know!", "What goes moo?", "Cows", ShavingCream
+Items: Lightbulb,Candlestick
+Riddler: "Hello there. My name is Kevin and I am Sir Pellatt's butler. I understand that my master<comma><br>Sir Pellatt has wrongfully imprisoned you. If you answer my riddle<comma> I can give you something to<br>help you with your escape - nothing comes for free you know!", "What goes moo?", "Cows", Lockpick
 Exit Rooms: W-Apple Hallway
 
 Room name: Apple Hallway

src/com/bayviewglen/zork/Game.java

@@ -385,7 +385,7 @@ class Game {
 						if(player.addToInventory(prize)) { 
 							player.addToInventory(prize);
 							System.out.println("A " + prizeName + " has been added to your inventory.");
-							currentRoom.riddler = null;
+							currentRoom.removeRiddler(); 
 							System.out.println("I've got to go find Mr. Pellatt now. Good luck with your escape!");
 						}else {
 							System.out.println("Sorry, you can't carry any more ");
@@ -543,6 +543,7 @@ class Game {
 		return false;
 	}
 
+
 	// implementations of user commands:
 	/**
 	 * Print out some help information. Here we print some stupid, cryptic

src/com/bayviewglen/zork/Room.java

@@ -27,7 +27,7 @@ class Room {
 	private String description;
 	private HashMap<String, Room> exits; // stores exits of this room.
 	private ArrayList<Item> items;
-	Riddler riddler; //needs to altered outside of the class so that riddler can be set to null.
+	private Riddler riddler; //needs to altered outside of the class so that riddler can be set to null.
 	private boolean locked; // Otherwise you can repeatedly solve the riddle and get unlimited items 
 	private boolean boarded;
 
@@ -239,5 +239,10 @@ class Room {
 	public Riddler getRiddler() {
 		return riddler; 
 	}
+
+	public void removeRiddler() {
+		riddler = null; 
+		
+	}
 	
 }