added reflection with factory class, bwz2 + sw258

src/roulette/Factory.java

@@ -0,0 +1,42 @@
+package roulette;
+
+import util.ConsoleReader;
+
+public class Factory {
+
+    private String[] betTypes = {
+                                   "RedBlack",
+                                   "OddEven",
+                                   "ThreeConsecutive"
+    };
+
+    private String[] betDescriptions = {
+                                 "Red or Black",
+                                 "Odd or Even",
+                                 "Three in a Row"
+  };
+
+    private int[] betOdds = {
+                             1,
+                             1,
+                             11
+         };
+
+    public Bet promptForBet() {
+        System.out.println("You can make one of the following types of bets:");
+        for (int k = 0; k < betTypes.length; k++) {
+            System.out.println(String.format("%d) %s", (k + 1), betDescriptions[k]));
+        }
+        int response = ConsoleReader.promptRange("Please make a choice", 1, betTypes.length);
+        Bet bet = null;
+        try {
+            bet = (Bet) Class.forName("roulette." + betTypes[response - 1])
+                    .getConstructor(String.class, int.class).newInstance(betDescriptions[response - 1], 
+                                                                         betOdds[response - 1]);
+        }
+        catch (Exception e) {
+            e.printStackTrace();
+        }
+        return bet;
+    }
+}

src/roulette/Game.java

@@ -12,11 +12,6 @@ public class Game {
     // name of the game
     private static final String DEFAULT_NAME = "Roulette";
     // add new bet subclasses here
-    private Bet[] myPossibleBets = {
-        new RedBlack("Red or Black", 1),
-        new OddEven("Odd or Even", 1),
-        new ThreeConsecutive("Three in a Row", 11),
-    };
     private Wheel myWheel;
 
     /**
@@ -65,11 +60,6 @@ public void play (Gambler player) {
      * Prompt the user to make a bet from a menu of choices.
      */
     private Bet promptForBet () {
-        System.out.println("You can make one of the following types of bets:");
-        for (int k = 0; k < myPossibleBets.length; k++) {
-            System.out.println(String.format("%d) %s", (k + 1), myPossibleBets[k].getDescription()));
-        }
-        int response = ConsoleReader.promptRange("Please make a choice", 1, myPossibleBets.length);
-        return myPossibleBets[response - 1];
+        return (new Factory()).promptForBet();
     }
 }