diff --git a/controller/AdressenOeffnen.java b/controller/AdressenOeffnen.java
new file mode 100644
index 0000000..021b01b
--- /dev/null
+++ b/controller/AdressenOeffnen.java
@@ -0,0 +1,77 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package gui_adressverwaltung.Controller;
+
+import gui_adressverwaltung.Controller.Interface.CommandInterface;
+import gui_adressverwaltung.model.AdressverwaltungModel;
+import gui_adressverwaltung.view.Hauptfenster;
+import java.io.File;
+import java.io.IOException;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import javax.swing.JFileChooser;
+
+/**
+ *
+ * @author am
+ */
+public class AdressenOeffnen implements CommandInterface
+{
+  private AdressverwaltungModel model;
+  private Hauptfenster view;
+
+  
+  /**
+   * 
+   * @param model
+   * @param view 
+   */
+  public AdressenOeffnen(AdressverwaltungModel model, Hauptfenster view)
+  {
+      this.model = model;
+      this.view = view;
+  }
+
+  /**
+   * Führt den Befehl aus
+   */
+  @Override
+  public void execute()
+  {
+    JFileChooser chooser = new JFileChooser();
+    chooser.showOpenDialog(view);
+    File file = chooser.getSelectedFile();
+    try
+    {
+        model.datenLesen(file);
+        view.getLblStatus().setText("Neue Datei geöffnet");
+    }
+    catch(IOException | ClassNotFoundException ex)
+    {
+        Logger.getLogger(AdressenOeffnen.class.getName()).log(Level.SEVERE, null, ex);  
+    }
+  }
+
+  /**
+   * Macht den Befehl rückgängig
+   */
+  
+  @Override
+  public void undo()
+  {
+  }
+
+  /**
+   * Gibt zurück ob die Aktion rücknehmbar ist
+   */
+  
+  @Override
+  public boolean isUndoable()
+  {
+    return false;
+  }
+}
diff --git a/controller/AdressenSpeichern.java b/controller/AdressenSpeichern.java
new file mode 100644
index 0000000..65a9a1a
--- /dev/null
+++ b/controller/AdressenSpeichern.java
@@ -0,0 +1,73 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package gui_adressverwaltung.Controller;
+
+import gui_adressverwaltung.Controller.Interface.CommandInterface;
+import gui_adressverwaltung.model.AdressverwaltungModel;
+import gui_adressverwaltung.view.Hauptfenster;
+import java.io.File;
+import java.io.IOException;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import javax.swing.JFileChooser;
+
+/**
+ *
+ * @author nobody
+ */
+public class AdressenSpeichern implements CommandInterface
+{
+  private AdressverwaltungModel model;
+  private Hauptfenster view;
+
+  
+  public AdressenSpeichern(AdressverwaltungModel model, Hauptfenster view)
+  {
+      this.model = model;
+      this.view = view;
+  }
+
+  /**
+   * Führt den Befehl aus
+   */
+  
+  @Override
+  public void execute()
+  {
+    JFileChooser chooser = new JFileChooser();
+    chooser.showSaveDialog(view);
+    File file = chooser.getSelectedFile();
+    try
+    {
+       model.datenSpeichern(file);
+       view.getLblStatus().setText("Adressen wurden gespeichert");
+    }
+    catch(IOException ex)
+    {
+       Logger.getLogger(AdressenSpeichern.class.getName()).log(Level.SEVERE, null, ex);         
+    }
+  }
+
+  /**
+   * Nimmt den Befehl zurück
+   */
+  
+  @Override
+  public void undo()
+  {
+  }
+
+  /**
+   * Giubt zurück ob der Befehl rücknehmbar ist
+   */
+  
+  @Override
+  public boolean isUndoable()
+  {
+    return false;
+  }
+}
diff --git a/controller/DatenHinzufuegen.java b/controller/DatenHinzufuegen.java
new file mode 100644
index 0000000..455ec57
--- /dev/null
+++ b/controller/DatenHinzufuegen.java
@@ -0,0 +1,50 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package gui_adressverwaltung.Controller;
+
+import gui_adressverwaltung.Controller.Interface.CommandInterface;
+import gui_adressverwaltung.model.AdressverwaltungModel;
+import gui_adressverwaltung.view.Hauptfenster;
+
+/**
+ *
+ * @author nobody
+ */
+public class DatenHinzufuegen implements CommandInterface
+{
+  private AdressverwaltungModel model;
+  private Hauptfenster view;
+
+  
+  public DatenHinzufuegen(AdressverwaltungModel model, Hauptfenster view)
+  {
+      this.model = model;
+      this.view = view;
+  }
+
+  /**
+   * Fühhrt den Befehl aus
+   */
+  
+  @Override
+  public void execute()
+  {
+    view.getLblStatus().setText("Zeile hinzugefügt");
+    model.eintragHinzufuegen();
+  }
+
+  @Override
+  public void undo()
+  {
+  }
+
+  @Override
+  public boolean isUndoable()
+  {
+    return false;
+  }
+}
diff --git a/controller/DatenLoeschen.java b/controller/DatenLoeschen.java
new file mode 100644
index 0000000..68666ff
--- /dev/null
+++ b/controller/DatenLoeschen.java
@@ -0,0 +1,76 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package gui_adressverwaltung.Controller;
+
+import gui_adressverwaltung.Controller.Interface.CommandInterface;
+import gui_adressverwaltung.model.AdressverwaltungModel;
+import gui_adressverwaltung.view.Hauptfenster;
+import java.util.ArrayList;
+import java.util.Stack;
+
+/**
+ *
+ * @author nobody
+ */
+public class DatenLoeschen implements CommandInterface
+{
+  private AdressverwaltungModel model;
+  private Hauptfenster view;
+  private Stack<ArrayList<String>> datenStack;
+
+  
+  public DatenLoeschen(AdressverwaltungModel model, Hauptfenster view)
+  {
+      this.model = model;
+      this.view = view;
+      this.datenStack = new Stack<>();
+  }
+
+  /**
+   * Fühhrt den Befehl aus
+   */
+  
+  @Override
+  public void execute()
+  {
+    try
+    {
+        int reihe = view.getTblAdressen().getSelectedRow();
+        ArrayList<String> inhalt = new ArrayList<>(); 
+        for(int i=0; i<model.getColumnCount();i++)
+          {
+            inhalt.add(model.getValueAt(reihe, i).toString());
+          }
+        datenStack.push(inhalt);
+        model.eintragLoeschen(reihe);
+        view.getLblStatus().setText("Zeile gelöscht");
+    }
+    catch(Exception ex)
+    {
+        view.getLblStatus().setText("Keine Zeile zum Löschen ausgewählt");
+    }
+  }
+
+  @Override
+  public void undo()
+  {
+    view.getLblStatus().setText("Fälschlicherweise gelöschte Zeile wieder eingefügt");
+    model.eintragHinzufuegen();
+    int endreihe = model.getRowCount();
+    for(int i=0; i<model.getColumnCount();i++)
+    {
+      model.setValueAt(datenStack.lastElement().get(i), endreihe, i);
+    }
+    datenStack.removeElementAt(datenStack.size());
+  }
+
+  @Override
+  public boolean isUndoable()
+  {
+    return true;
+  }
+}
diff --git a/controller/UndoController.java b/controller/UndoController.java
new file mode 100644
index 0000000..08f0573
--- /dev/null
+++ b/controller/UndoController.java
@@ -0,0 +1,52 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package gui_adressverwaltung.Controller;
+
+import gui_adressverwaltung.model.AdressverwaltungModel;
+import gui_adressverwaltung.view.Hauptfenster;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+
+/**
+ *
+ * @author nobody
+ */
+public class UndoController implements ActionListener
+{
+  private Hauptfenster view;
+  private AdressverwaltungModel model;
+  private CommandInvoker invoker;
+  
+  public UndoController(Hauptfenster view, AdressverwaltungModel model, CommandInvoker invoker)
+  {
+    this.view = view;
+    this.model = model;
+    this.invoker = invoker;
+  }
+  
+  public void registerEvents()
+  {
+    view.getMndUndo().addActionListener(this);
+    view.getBtnUndo().addActionListener(this);
+  }
+  
+  @Override
+  public void actionPerformed(ActionEvent e)
+  {
+    try{
+        view.getLblStatus().setText("Undo Trigger");
+        invoker.undoCommand();  
+    }
+    catch(Exception ex){
+        view.getLblStatus().setText("Fehler");
+        Logger.getLogger(AdressenSpeichern.class.getName()).log(Level.SEVERE, null, ex);
+    }
+   }
+}