diff --git a/.idea/misc.xml b/.idea/misc.xml
index 0b4fa18..c4f391f 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -13,7 +13,7 @@
       </list>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_19" default="true" project-jdk-name="19" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="19" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file
diff --git a/src/main/java/fabrik/simulator/pic16f84/Commands.java b/src/main/java/fabrik/simulator/pic16f84/Commands.java
index 7fab199..f34645b 100644
--- a/src/main/java/fabrik/simulator/pic16f84/Commands.java
+++ b/src/main/java/fabrik/simulator/pic16f84/Commands.java
@@ -588,7 +588,7 @@ public class Commands extends PICComponent implements CommandInterface {
 
 
     @Override
-    public void initialize(PICComponents picComponents) {
-        super.initialize(picComponents);
+    public void initialize(PICComponentLocator locator) {
+        super.initialize(locator);
     }
 }
diff --git a/src/main/java/fabrik/simulator/pic16f84/Controller_Frontend.java b/src/main/java/fabrik/simulator/pic16f84/Controller_Frontend.java
index 45ff56e..33adadc 100644
--- a/src/main/java/fabrik/simulator/pic16f84/Controller_Frontend.java
+++ b/src/main/java/fabrik/simulator/pic16f84/Controller_Frontend.java
@@ -3,7 +3,6 @@ package fabrik.simulator.pic16f84;
 import com.gluonhq.charm.glisten.control.ToggleButtonGroup;
 
 import fabrik.simulator.pic16f84.interfaces.*;
-import fabrik.simulator.pic16f84.interfaces.WatchdogTimerInterface;
 import javafx.application.Platform;
 import javafx.collections.FXCollections;
 import javafx.collections.ObservableList;
@@ -42,7 +41,7 @@ public class Controller_Frontend extends PICComponent implements FrontendControl
     private int [] prog;
     private int [][] read;
     private int [] ind;
-    private PICComponents picComponents;
+    private PICComponentLocator picComponents;
 
     private boolean isBreakpointReached = false;
 
@@ -553,9 +552,9 @@ public class Controller_Frontend extends PICComponent implements FrontendControl
     }
 
     @Override
-    public void initialize(PICComponents picComponents) {
-        super.initialize(picComponents);
-        this.picComponents = picComponents;
+    public void initialize(PICComponentLocator locator) {
+        super.initialize(locator);
+        this.picComponents = locator;
         System.out.println("Frontend");
     }
 }
diff --git a/src/main/java/fabrik/simulator/pic16f84/CreateWindow.java b/src/main/java/fabrik/simulator/pic16f84/CreateWindow.java
index c8263e3..a9fe284 100644
--- a/src/main/java/fabrik/simulator/pic16f84/CreateWindow.java
+++ b/src/main/java/fabrik/simulator/pic16f84/CreateWindow.java
@@ -4,11 +4,9 @@ import fabrik.simulator.pic16f84.interfaces.*;
 import javafx.application.Application;
 
 import javafx.fxml.FXMLLoader;
-import javafx.scene.Node;
 import javafx.scene.Parent;
 import javafx.scene.Scene;
 
-import javafx.scene.control.Tab;
 import javafx.scene.layout.GridPane;
 import javafx.scene.layout.VBox;
 import javafx.stage.Stage;
@@ -17,7 +15,7 @@ import java.io.IOException;
 import java.util.Objects;
 
 public class CreateWindow extends Application {
-    private PICComponents picComponents = new PICComponents(); // Subjekt
+    private PICComponentLocator picComponents = new PICComponentLocator(); // Subjekt
     public static GridPane grid = new GridPane();
     private static VBox table;
 
@@ -40,6 +38,7 @@ public class CreateWindow extends Application {
         FXMLLoader codewindow = new FXMLLoader(CreateWindow.class.getResource("frontend.fxml"));
         codewindow.setController(picComponents.getComponent(FrontendControllerInterface.class));
         Parent code = codewindow.load();
+
         table = Table.init(picComponents);
         grid.add(table, 1, 1);
         grid.add(code, 0, 1);
diff --git a/src/main/java/fabrik/simulator/pic16f84/DataRegister.java b/src/main/java/fabrik/simulator/pic16f84/DataRegister.java
index 42a7245..a88328e 100644
--- a/src/main/java/fabrik/simulator/pic16f84/DataRegister.java
+++ b/src/main/java/fabrik/simulator/pic16f84/DataRegister.java
@@ -39,8 +39,8 @@ public class DataRegister extends PICComponent implements DataRegisterInterface
     }
 
     @Override
-    public void initialize(PICComponents picComponents) {
-        super.initialize(picComponents);
+    public void initialize(PICComponentLocator locator) {
+        super.initialize(locator);
         System.out.println("DataRegister.\n");
         initOrReset();
     }
diff --git a/src/main/java/fabrik/simulator/pic16f84/EEPROM.java b/src/main/java/fabrik/simulator/pic16f84/EEPROM.java
index 19791a1..747b76f 100644
--- a/src/main/java/fabrik/simulator/pic16f84/EEPROM.java
+++ b/src/main/java/fabrik/simulator/pic16f84/EEPROM.java
@@ -1,7 +1,6 @@
 package fabrik.simulator.pic16f84;
 
 
-import eu.hansolo.tilesfx.Command;
 import org.json.simple.JSONObject;
 import org.json.simple.parser.JSONParser;
 import org.json.simple.parser.ParseException;
@@ -173,7 +172,7 @@ public class EEPROM extends PICComponent implements EEPROMInterface {
     }
 
     @Override
-    public void initialize(PICComponents picComponents) {
-        super.initialize(picComponents);
+    public void initialize(PICComponentLocator locator) {
+        super.initialize(locator);
     }
 }
diff --git a/src/main/java/fabrik/simulator/pic16f84/EmptyRegister.java b/src/main/java/fabrik/simulator/pic16f84/EmptyRegister.java
index 535b694..6a31434 100644
--- a/src/main/java/fabrik/simulator/pic16f84/EmptyRegister.java
+++ b/src/main/java/fabrik/simulator/pic16f84/EmptyRegister.java
@@ -145,7 +145,7 @@ public class EmptyRegister implements DataRegisterInterface {
     }
 
     @Override
-    public void initialize(PICComponents picComponents) {
+    public void initialize(PICComponentLocator picComponents) {
 
     }
 }
diff --git a/src/main/java/fabrik/simulator/pic16f84/IOPorts.java b/src/main/java/fabrik/simulator/pic16f84/IOPorts.java
index d723dc6..f8f675e 100644
--- a/src/main/java/fabrik/simulator/pic16f84/IOPorts.java
+++ b/src/main/java/fabrik/simulator/pic16f84/IOPorts.java
@@ -227,8 +227,8 @@ public class IOPorts extends PICComponent implements IOPortInterface {
     }
 
     @Override
-    public void initialize(PICComponents picComponents) {
-        super.initialize(picComponents);
+    public void initialize(PICComponentLocator locator) {
+        super.initialize(locator);
         System.out.println("IOPorts.\n");
     }
 }
diff --git a/src/main/java/fabrik/simulator/pic16f84/Interrupts.java b/src/main/java/fabrik/simulator/pic16f84/Interrupts.java
index d734b1c..8561389 100644
--- a/src/main/java/fabrik/simulator/pic16f84/Interrupts.java
+++ b/src/main/java/fabrik/simulator/pic16f84/Interrupts.java
@@ -1,9 +1,5 @@
 package fabrik.simulator.pic16f84;
 
-import eu.hansolo.tilesfx.Command;
-import fabrik.simulator.pic16f84.interfaces.CommandInterface;
-import fabrik.simulator.pic16f84.interfaces.DataRegisterInterface;
-import fabrik.simulator.pic16f84.interfaces.FrontendControllerInterface;
 import fabrik.simulator.pic16f84.interfaces.InterruptInterface;
 
 public class Interrupts extends PICComponent implements InterruptInterface {
@@ -66,7 +62,7 @@ public class Interrupts extends PICComponent implements InterruptInterface {
 
 
     @Override
-    public void initialize(PICComponents picComponents) {
-        super.initialize(picComponents);
+    public void initialize(PICComponentLocator locator) {
+        super.initialize(locator);
     }
 }
diff --git a/src/main/java/fabrik/simulator/pic16f84/PICComponent.java b/src/main/java/fabrik/simulator/pic16f84/PICComponent.java
index f5fe00e..c1c70ab 100644
--- a/src/main/java/fabrik/simulator/pic16f84/PICComponent.java
+++ b/src/main/java/fabrik/simulator/pic16f84/PICComponent.java
@@ -9,27 +9,23 @@ public abstract class PICComponent {
     IOPortInterface ioPorts;
     TimerInterface timer;
     InterruptInterface interrupts;
-    //TableInterface table;
-    //WindowManagement createWindow;
     FrontendControllerInterface frontendController;
     WatchdogTimerInterface watchdogTimer;
     ProgramStackInterface programStack;
     CommandInterface commands;
     ToggleButtonInterface toggleButtonExt;
 
-    void initialize(PICComponents picComponents) {
-        toggleButtonExt = (ToggleButtonInterface) picComponents.getComponent(ToggleButtonInterface.class);
-        dataRegister = (DataRegisterInterface) picComponents.getComponent(DataRegisterInterface.class);
-        eeprom = (EEPROMInterface) picComponents.getComponent(EEPROMInterface.class);
-        ioPorts = (IOPortInterface) picComponents.getComponent(IOPortInterface.class);
-        preScaler = (PreScalerInterface) picComponents.getComponent(PreScalerInterface.class);
-        timer = (TimerInterface) picComponents.getComponent(TimerInterface.class);
-        interrupts = (InterruptInterface) picComponents.getComponent(InterruptInterface.class);
-        //table = (TableInterface) picComponents.getComponent(TableInterface.class);
-        //createWindow = (WindowManagement) picComponents.getComponent(WindowManagement.class);
-        frontendController = (FrontendControllerInterface) picComponents.getComponent(FrontendControllerInterface.class);
-        watchdogTimer = (WatchdogTimerInterface) picComponents.getComponent(WatchdogTimerInterface.class);
-        programStack = (ProgramStackInterface) picComponents.getComponent(ProgramStackInterface.class);
-        commands = (CommandInterface) picComponents.getComponent(CommandInterface.class);
+    void initialize(PICComponentLocator locator) {
+        toggleButtonExt = locator.getComponent(ToggleButtonInterface.class);
+        dataRegister = locator.getComponent(DataRegisterInterface.class);
+        eeprom = locator.getComponent(EEPROMInterface.class);
+        ioPorts = locator.getComponent(IOPortInterface.class);
+        preScaler = locator.getComponent(PreScalerInterface.class);
+        timer = locator.getComponent(TimerInterface.class);
+        interrupts = locator.getComponent(InterruptInterface.class);
+        frontendController = locator.getComponent(FrontendControllerInterface.class);
+        watchdogTimer = locator.getComponent(WatchdogTimerInterface.class);
+        programStack = locator.getComponent(ProgramStackInterface.class);
+        commands = locator.getComponent(CommandInterface.class);
     }
 }
diff --git a/src/main/java/fabrik/simulator/pic16f84/PICComponents.java b/src/main/java/fabrik/simulator/pic16f84/PICComponentLocator.java
similarity index 67%
rename from src/main/java/fabrik/simulator/pic16f84/PICComponents.java
rename to src/main/java/fabrik/simulator/pic16f84/PICComponentLocator.java
index e40062f..5b5395a 100644
--- a/src/main/java/fabrik/simulator/pic16f84/PICComponents.java
+++ b/src/main/java/fabrik/simulator/pic16f84/PICComponentLocator.java
@@ -4,10 +4,11 @@ import fabrik.simulator.pic16f84.interfaces.*;
 
 import java.util.HashMap;
 
-public class PICComponents {
+public class PICComponentLocator {
+    // https://en.wikipedia.org/wiki/Service_locator_pattern
     private final HashMap<Class<? extends PICComponentInterface>, PICComponentInterface> componentCatalogue;
 
-    public PICComponents() {
+    public PICComponentLocator() {
         super();
         this.componentCatalogue = new HashMap<>();
     }
@@ -16,8 +17,9 @@ public class PICComponents {
         this.componentCatalogue.put(componentClass, component);
     }
 
-    public PICComponentInterface getComponent(Class<? extends PICComponentInterface> componentClass) {
-        return this.componentCatalogue.get(componentClass);
+    public <T extends PICComponentInterface> T getComponent(Class<T> componentClass) {
+        T component = (T) this.componentCatalogue.get(componentClass);
+        return component;
     }
 
     public void initAll() {
diff --git a/src/main/java/fabrik/simulator/pic16f84/PreScaler.java b/src/main/java/fabrik/simulator/pic16f84/PreScaler.java
index a54909f..f374f3e 100644
--- a/src/main/java/fabrik/simulator/pic16f84/PreScaler.java
+++ b/src/main/java/fabrik/simulator/pic16f84/PreScaler.java
@@ -54,7 +54,7 @@ public class PreScaler extends PICComponent implements PreScalerInterface {
     }
 
     @Override
-    public void initialize(PICComponents picComponents) {
-        super.initialize(picComponents);
+    public void initialize(PICComponentLocator locator) {
+        super.initialize(locator);
     }
 }
diff --git a/src/main/java/fabrik/simulator/pic16f84/ProgramStack.java b/src/main/java/fabrik/simulator/pic16f84/ProgramStack.java
index 0ee1725..b81b576 100644
--- a/src/main/java/fabrik/simulator/pic16f84/ProgramStack.java
+++ b/src/main/java/fabrik/simulator/pic16f84/ProgramStack.java
@@ -48,7 +48,7 @@ public class ProgramStack extends PICComponent implements ProgramStackInterface
     }
 
     @Override
-    public void initialize(PICComponents picComponents) {
-        super.initialize(picComponents);
+    public void initialize(PICComponentLocator locator) {
+        super.initialize(locator);
     }
 }
diff --git a/src/main/java/fabrik/simulator/pic16f84/Table.java b/src/main/java/fabrik/simulator/pic16f84/Table.java
index 3e0f734..e00ee18 100644
--- a/src/main/java/fabrik/simulator/pic16f84/Table.java
+++ b/src/main/java/fabrik/simulator/pic16f84/Table.java
@@ -4,7 +4,6 @@ import fabrik.simulator.pic16f84.interfaces.*;
 import javafx.beans.property.SimpleStringProperty;
 import javafx.geometry.Insets;
 
-import javafx.scene.chart.PieChart;
 import javafx.scene.control.Button;
 import javafx.scene.control.Label;
 import javafx.scene.control.TableColumn;
@@ -46,7 +45,7 @@ public class Table {
         return s;
     }
 
-    public static VBox init(PICComponents picComponents){
+    public static VBox init(PICComponentLocator picComponents){
         dataRegister = (DataRegisterInterface) picComponents.getComponent(DataRegisterInterface.class);
         commands = (CommandInterface) picComponents.getComponent(CommandInterface.class);
         ioPorts = (IOPortInterface) picComponents.getComponent(IOPortInterface.class);
diff --git a/src/main/java/fabrik/simulator/pic16f84/Timer.java b/src/main/java/fabrik/simulator/pic16f84/Timer.java
index 168d7f4..45415b8 100644
--- a/src/main/java/fabrik/simulator/pic16f84/Timer.java
+++ b/src/main/java/fabrik/simulator/pic16f84/Timer.java
@@ -1,8 +1,5 @@
 package fabrik.simulator.pic16f84;
 
-import fabrik.simulator.pic16f84.interfaces.DataRegisterInterface;
-import fabrik.simulator.pic16f84.interfaces.FrontendControllerInterface;
-import fabrik.simulator.pic16f84.interfaces.InterruptInterface;
 import fabrik.simulator.pic16f84.interfaces.TimerInterface;
 
 public class Timer extends PICComponent implements TimerInterface {
@@ -67,7 +64,7 @@ public class Timer extends PICComponent implements TimerInterface {
     }
 
     @Override
-    public void initialize(PICComponents picComponents) {
-        super.initialize(picComponents);
+    public void initialize(PICComponentLocator locator) {
+        super.initialize(locator);
     }
 }
diff --git a/src/main/java/fabrik/simulator/pic16f84/ToggleButtonGroupExt.java b/src/main/java/fabrik/simulator/pic16f84/ToggleButtonGroupExt.java
index 1871d8a..4868ca9 100644
--- a/src/main/java/fabrik/simulator/pic16f84/ToggleButtonGroupExt.java
+++ b/src/main/java/fabrik/simulator/pic16f84/ToggleButtonGroupExt.java
@@ -1,7 +1,6 @@
 package fabrik.simulator.pic16f84;
 
 import com.gluonhq.charm.glisten.control.ToggleButtonGroup;
-import fabrik.simulator.pic16f84.interfaces.IOPortInterface;
 import fabrik.simulator.pic16f84.interfaces.ToggleButtonInterface;
 import javafx.collections.ListChangeListener;
 import javafx.event.EventHandler;
@@ -59,8 +58,8 @@ public class ToggleButtonGroupExt extends PICComponent implements ToggleButtonIn
     };
 
     @Override
-    public void initialize(PICComponents picComponents) {
+    public void initialize(PICComponentLocator locator) {
         System.out.println("ToggleButtonGroupExt");
-        super.initialize(picComponents);
+        super.initialize(locator);
     }
 }
diff --git a/src/main/java/fabrik/simulator/pic16f84/WatchdogTimer.java b/src/main/java/fabrik/simulator/pic16f84/WatchdogTimer.java
index e1b3b7f..a2c16b4 100644
--- a/src/main/java/fabrik/simulator/pic16f84/WatchdogTimer.java
+++ b/src/main/java/fabrik/simulator/pic16f84/WatchdogTimer.java
@@ -53,7 +53,7 @@ public class WatchdogTimer extends PICComponent implements WatchdogTimerInterfac
     }
 
     @Override
-    public void initialize(PICComponents picComponents) {
-        super.initialize(picComponents);
+    public void initialize(PICComponentLocator locator) {
+        super.initialize(locator);
     }
 }
diff --git a/src/main/java/fabrik/simulator/pic16f84/interfaces/PICComponentInterface.java b/src/main/java/fabrik/simulator/pic16f84/interfaces/PICComponentInterface.java
index 5803db2..763fbb9 100644
--- a/src/main/java/fabrik/simulator/pic16f84/interfaces/PICComponentInterface.java
+++ b/src/main/java/fabrik/simulator/pic16f84/interfaces/PICComponentInterface.java
@@ -1,7 +1,7 @@
 package fabrik.simulator.pic16f84.interfaces;
 
-import fabrik.simulator.pic16f84.PICComponents;
+import fabrik.simulator.pic16f84.PICComponentLocator;
 
 public interface PICComponentInterface {
-    void initialize(PICComponents picComponents);
+    void initialize(PICComponentLocator picComponents);
 }
diff --git a/src/test/java/fabrik/simulator/pic16f84/CommandsTests.java b/src/test/java/fabrik/simulator/pic16f84/CommandsTests.java
index a81e121..43d7721 100644
--- a/src/test/java/fabrik/simulator/pic16f84/CommandsTests.java
+++ b/src/test/java/fabrik/simulator/pic16f84/CommandsTests.java
@@ -9,13 +9,13 @@ import org.junit.jupiter.api.Test;
 
 
 class CommandsTests {
-    PICComponents picComponents;
+    PICComponentLocator picComponents;
 
     public CommandsTests() {}
 
     @BeforeEach
     void resetComponents() {
-        picComponents = new PICComponents();
+        picComponents = new PICComponentLocator();
     }
 
     @Test
diff --git a/src/test/java/fabrik/simulator/pic16f84/DataRegisterTests.java b/src/test/java/fabrik/simulator/pic16f84/DataRegisterTests.java
index b40c794..b72b12e 100644
--- a/src/test/java/fabrik/simulator/pic16f84/DataRegisterTests.java
+++ b/src/test/java/fabrik/simulator/pic16f84/DataRegisterTests.java
@@ -9,13 +9,13 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.mockito.Mockito.mock;
 
 class DataRegisterTests {
-    PICComponents picComponents;
+    PICComponentLocator picComponents;
 
     public DataRegisterTests() {}
 
     @BeforeEach
     void resetComponents() {
-        picComponents = new PICComponents();
+        picComponents = new PICComponentLocator();
     }
 
 
diff --git a/src/test/java/fabrik/simulator/pic16f84/EEPROMTests.java b/src/test/java/fabrik/simulator/pic16f84/EEPROMTests.java
index 604cc1a..5f8962c 100644
--- a/src/test/java/fabrik/simulator/pic16f84/EEPROMTests.java
+++ b/src/test/java/fabrik/simulator/pic16f84/EEPROMTests.java
@@ -20,14 +20,14 @@ import static org.mockito.Mockito.mock;
 
 
 class EEPROMTests {
-    PICComponents picComponents;
+    PICComponentLocator picComponents;
     String savedEEPROM;
 
     public EEPROMTests() {}
 
     @BeforeEach
     void resetComponentsAndReadEEPROM() throws IOException {
-        picComponents = new PICComponents();
+        picComponents = new PICComponentLocator();
         savedEEPROM = Files.readString(Path.of("eeprom.json"));
     }
 
diff --git a/src/test/java/fabrik/simulator/pic16f84/WatchDogTimerTests.java b/src/test/java/fabrik/simulator/pic16f84/WatchDogTimerTests.java
index d6ee7d6..3b601c4 100644
--- a/src/test/java/fabrik/simulator/pic16f84/WatchDogTimerTests.java
+++ b/src/test/java/fabrik/simulator/pic16f84/WatchDogTimerTests.java
@@ -10,11 +10,11 @@ import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
 
 class WatchDogTimerTests {
-    private PICComponents picComponents;
+    private PICComponentLocator picComponents;
 
     @BeforeEach
     void resetComponents() {
-        picComponents = new PICComponents();
+        picComponents = new PICComponentLocator();
     }
 
     @Test