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1. Offline

   MgMaor

   Why does it throw NullPointerExceptions when I use it?
   VV
   public static boolean playerExists(String playerName) {
   return plugin.getConfig().contains(playerName);
   }
   I checked:
   @EventHandler
   public void onPlayerJoin(PlayerJoinEvent event) {
   Broadcasts.joinBroadcast(event);
   if (!Tools.playerExists(event.getPlayer().getName())) {
   Economy.addPlayer(event.getPlayer().getName());
   }
   }
   
   And got big NullPointerException.
   Why does it happen?

    

   MgMaor, Apr 4, 2014

   #1
2. Offline

   Zethariel

   Because playerExists can return a null (not found in the config) instead of a boolean false

    

   Zethariel, Apr 4, 2014

   #2
3. Offline

   skyrimfan1

   Instead try:
   

   Code:java

   public static boolean playerExists(String playerName) {
       return plugin.getConfig().contains(playerName) != null;
   }

    

   skyrimfan1, Apr 4, 2014

   #3

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