[TIDY] Automated code cleanup

Thanks IntelliJ

src/main/java/uk/mgrove/ac/soton/comp1206/component/GameBlockCoordinate.java

@@ -99,8 +99,7 @@ public class GameBlockCoordinate {
      */
     @Override public boolean equals(Object obj) {
         if (obj == this) return true;
-        if (obj instanceof GameBlockCoordinate) {
+        if (obj instanceof GameBlockCoordinate other) {
-            GameBlockCoordinate other = (GameBlockCoordinate) obj;
             return getX() == other.getX() && getY() == other.getY();
         } else return false;
     }

src/main/java/uk/mgrove/ac/soton/comp1206/event/BlockClickedListener.java

@@ -12,5 +12,5 @@ public interface BlockClickedListener {
      * Handle a block clicked event
      * @param block the block that was clicked
      */
-    public void blockClicked(GameBlock block);
+    void blockClicked(GameBlock block);
 }

src/main/java/uk/mgrove/ac/soton/comp1206/event/CommunicationsListener.java

@@ -9,5 +9,5 @@ public interface CommunicationsListener {
      * Handle an incoming message received by the Communicator
      * @param communication the message that was received
      */
-    public void receiveCommunication(String communication);
+    void receiveCommunication(String communication);
 }

src/main/java/uk/mgrove/ac/soton/comp1206/event/GameLoopListener.java

@@ -9,6 +9,6 @@ public interface GameLoopListener {
    * Process the game loop being scheduled
    * @param timerDelay delay until game loop is executed
    */
-  public void process(int timerDelay);
+  void process(int timerDelay);
 
 }

src/main/java/uk/mgrove/ac/soton/comp1206/event/LineClearedListener.java

@@ -13,6 +13,6 @@ public interface LineClearedListener {
    * Process the line(s) being cleared
    * @param blockCoordinates coordinates of the blocks being cleared
    */
-  public void clearLine(Set<GameBlockCoordinate> blockCoordinates);
+  void clearLine(Set<GameBlockCoordinate> blockCoordinates);
 
 }

src/main/java/uk/mgrove/ac/soton/comp1206/event/MouseClickListener.java

@@ -8,6 +8,6 @@ public interface MouseClickListener {
   /**
    * Handle node being right-clicked
    */
-  public void action();
+  void action();
 
 }

src/main/java/uk/mgrove/ac/soton/comp1206/event/NextPieceListener.java

@@ -12,5 +12,5 @@ public interface NextPieceListener {
    * @param currentPiece the piece that was received
    * @param followingPiece the piece that was received for the next iteration
    */
-  public void nextPiece(GamePiece currentPiece, GamePiece followingPiece);
+  void nextPiece(GamePiece currentPiece, GamePiece followingPiece);
 }

src/main/java/uk/mgrove/ac/soton/comp1206/event/ShowScoresSceneListener.java

@@ -10,6 +10,6 @@ public interface ShowScoresSceneListener {
   /**
    * Show the scene
    */
-  public void show(Game game);
+  void show(Game game);
 
 }

src/main/java/uk/mgrove/ac/soton/comp1206/scene/MultiplayerScene.java

@@ -40,7 +40,7 @@ public class MultiplayerScene extends ChallengeScene {
     /**
      * Other players' live boards
      */
-    private MapProperty<String, SimpleIntegerProperty[][]> playerBoards = new SimpleMapProperty<>(FXCollections.observableHashMap());
+    private final MapProperty<String, SimpleIntegerProperty[][]> playerBoards = new SimpleMapProperty<>(FXCollections.observableHashMap());
 
     /**
      * Grid of other players' live boards