add ppg

HockeyPlayer.java

@@ -42,12 +42,16 @@ public class HockeyPlayer {
     return gamesWon + gamesLost;
   }
   
+  public double getPointsPerGame(){
+    return (double) getPoints() / (double) getGamesPlayed();
+  }
+
   public String toString() {
     String s =
         String.format(
-            "Name: %s%nGoals: %d\tAssists: %d\tPoints: %d%nGames Won: %d\tGames Lost: %d\tGames"
+            "Name: %s%nGoals: %d\tAssists: %d\tPoints: %d\tPoints Per Game: %d%nGames Won: %d\tGames Lost: %d\tGames"
                 + " Played: %d%n",
-            name, goals, assists, getPoints(), gamesWon, gamesLost, getGamesPlayed());
+            name, goals, assists, getPoints(), getPointsPerGame(), gamesWon, gamesLost, getGamesPlayed());
     return s;
   }