Suppress incorrect warnings and implement some suggestions

src/main/java/com/yes/yes/YesApplication.java

@@ -25,9 +25,6 @@ public class YesApplication extends javafx.application.Application {
         stage.setTitle("Hello!");
         stage.setScene(scene);
 
-        //Scale scale = new Scale(0.25,0.25, 0, 0);
-        //scene.getRoot().getTransforms().add(scale);
-
         stage.setMaximized(true);
         stage.show();
     }

src/main/java/com/yes/yes/behaviours/DestroyBehaviour.java

@@ -5,7 +5,7 @@ import com.yes.yes.utils.Component;
 import com.yes.yes.utils.Entity;
 
 public class DestroyBehaviour extends Component {
-    private String dataKey;
+    private final String dataKey;
 
     public DestroyBehaviour(Entity entity, BlockContainer blockContainer, String dataKey) {
         super(entity, blockContainer);

src/main/java/com/yes/yes/behaviours/ItemBehaviour.java

@@ -8,7 +8,6 @@ import com.yes.yes.world.Chunk;
 import javafx.application.Platform;
 import javafx.geometry.Pos;
 import javafx.scene.layout.StackPane;
-import javafx.scene.layout.VBox;
 import javafx.scene.paint.Color;
 import javafx.scene.shape.Rectangle;
 import javafx.scene.transform.Scale;

src/main/java/com/yes/yes/behaviours/OfferBehaviour.java

@@ -59,7 +59,7 @@ public class OfferBehaviour extends Component {
         Item item = this.parent.getData(dataKey);
         if (item == null) return;
 
-        this.receiver.trigger("offerItem", new Pair(parent, item));
+        this.receiver.trigger("offerItem", new Pair<>(parent, item));
     }
 
     @Override

src/main/java/com/yes/yes/behaviours/SplitBehaviour.java

@@ -11,7 +11,6 @@ public class SplitBehaviour extends Component {
     private final String[] offerDataKeys;
     private int delayCount = 0;
     private int offerDataKeyIndex = 0;
-    private String offerDataKey;
 
     public SplitBehaviour(Entity entity, BlockContainer blockContainer, int delay, String receiveDataKey, String... offerDataKeys) {
         super(entity, blockContainer);
@@ -34,7 +33,7 @@ public class SplitBehaviour extends Component {
             if (offerDataKeyIndex >= offerDataKeys.length)
                 offerDataKeyIndex = 0;
 
-            offerDataKey = offerDataKeys[offerDataKeyIndex];
+            String offerDataKey = offerDataKeys[offerDataKeyIndex];
 
             if (parent.getData(offerDataKey) != null) return;
 

src/main/java/com/yes/yes/entities/machines/ConveyorBelt.java

@@ -21,6 +21,7 @@ public class ConveyorBelt extends Entity {
         this.getChildren().addAll(t);
     }
 
+    @SuppressWarnings("unused") // Called dynamically
     public ConveyorBelt(BlockContainer blockContainer) {
         this();
         this.addBehaviour(new PlaceBehaviour(this, blockContainer));

src/main/java/com/yes/yes/entities/machines/DestroyMachine.java

@@ -1,6 +1,8 @@
 package com.yes.yes.entities.machines;
 
-import com.yes.yes.behaviours.*;
+import com.yes.yes.behaviours.DestroyBehaviour;
+import com.yes.yes.behaviours.PlaceBehaviour;
+import com.yes.yes.behaviours.ReceiveBehaviour;
 import com.yes.yes.utils.BlockContainer;
 import com.yes.yes.utils.Direction;
 import com.yes.yes.utils.Entity;
@@ -8,7 +10,6 @@ import com.yes.yes.world.Chunk;
 import javafx.scene.paint.Color;
 import javafx.scene.shape.Circle;
 import javafx.scene.shape.Polygon;
-import javafx.scene.shape.Rectangle;
 
 public class DestroyMachine extends Entity {
     public DestroyMachine() {
@@ -27,6 +28,7 @@ public class DestroyMachine extends Entity {
         this.getChildren().addAll(c, t);
     }
 
+    @SuppressWarnings("unused") // Called dynamically
     public DestroyMachine(BlockContainer blockContainer) {
         this();
         this.addBehaviour(new PlaceBehaviour(this, blockContainer));

src/main/java/com/yes/yes/entities/machines/GeneratorMachine.java

@@ -30,6 +30,7 @@ public class GeneratorMachine extends Entity {
         this.getChildren().addAll(r, p);
     }
 
+    @SuppressWarnings("unused") // Called dynamically
     public GeneratorMachine(BlockContainer blockContainer) {
         this();
         this.addBehaviour(new PlaceBehaviour(this, blockContainer));

src/main/java/com/yes/yes/entities/machines/HubAcceptor.java

@@ -17,6 +17,7 @@ public class HubAcceptor extends Entity {
         this.getChildren().add(r);
     }
 
+    @SuppressWarnings("unused") // Called dynamically
     public HubAcceptor(BlockContainer blockContainer) {
         this();
         this.addBehaviour(new PlaceBehaviour(this, blockContainer));

src/main/java/com/yes/yes/entities/machines/HubDisplay.java

@@ -27,9 +27,10 @@ public class HubDisplay extends Entity {
         this.getChildren().addAll(stackPane);
     }
 
+    @SuppressWarnings("unused") // Called dynamically
     public HubDisplay(BlockContainer blockContainer) {
         this();
         this.addBehaviour(new PlaceBehaviour(this, blockContainer));
-        this.addBehaviour(new ItemBehaviour(this, blockContainer, "objective"));
+        this.addBehaviour(new ItemBehaviour(this, blockContainer, "Objective"));
     }
 }

src/main/java/com/yes/yes/entities/machines/Splitter.java

@@ -28,6 +28,7 @@ public class Splitter extends Entity {
         this.getChildren().addAll(p1);
     }
 
+    @SuppressWarnings("unused") // Called dynamically
     public Splitter(BlockContainer blockContainer) {
         this();
         this.addBehaviour(new PlaceBehaviour(this, blockContainer));

src/main/java/com/yes/yes/utils/GlobalEventHandler.java

@@ -3,7 +3,7 @@ package com.yes.yes.utils;
 import java.util.function.Consumer;
 
 public final class GlobalEventHandler {
-    private static EventHandler handler = new EventHandler();
+    private static final EventHandler handler = new EventHandler();
 
     private GlobalEventHandler() {
     }