src/de/steamwar/lobby/commands/FlyCommand.java

@@ -43,7 +43,7 @@ public class FlyCommand implements CommandExecutor {
         }
 
         LobbyPlayer lobbyPlayer = LobbyPlayer.getLobbyPlayer(player);
-        boolean newFlightState = !lobbyPlayer.hasFly();
+        boolean newFlightState = !lobbyPlayer.isFlying();
 
         lobbyPlayer.setFly(newFlightState);
         player.setAllowFlight(newFlightState);

src/de/steamwar/lobby/listener/DoubleJumpListener.java

@@ -48,7 +48,7 @@ public class DoubleJumpListener implements Listener {
         if (player.getGameMode() != GameMode.ADVENTURE && player.getGameMode() != GameMode.SURVIVAL) {
             return;
         }
-        if (LobbyPlayer.getLobbyPlayer(player).hasFly()) {
+        if (LobbyPlayer.getLobbyPlayer(player).isFlying()) {
             return;
         }
 
@@ -70,7 +70,7 @@ public class DoubleJumpListener implements Listener {
         Player player = event.getPlayer();
 
         if(player.getLocation().add(0, -1, 0).getBlock().getType() == Material.AIR) return;
-        if (LobbyPlayer.getLobbyPlayer(player).hasFly()) return;
+        if (LobbyPlayer.getLobbyPlayer(player).isFlying()) return;
 
         player.setAllowFlight(true);
         if (player.getGameMode() == GameMode.ADVENTURE || player.getGameMode() == GameMode.SURVIVAL) {

src/de/steamwar/lobby/utils/LobbyPlayer.java

@@ -44,7 +44,7 @@ public class LobbyPlayer {
         cache.put(uuid, this);
     }
 
-    public boolean hasFly() {
+    public boolean isFlying() {
         return fly;
     }