diff --git a/Bank-Beispiel/src/New FC.fcp b/Bank-Beispiel/src/New FC.fcp
index a7e8e31..2673356 100644
--- a/Bank-Beispiel/src/New FC.fcp	
+++ b/Bank-Beispiel/src/New FC.fcp	
@@ -921,7 +921,7 @@
       <FreeLineShapes />
       <ConnectedShapes>
         <ConnectedShapesRecord>
-          <ObjectID>4a01937a48c7470e8ac02c06e117a9aa</ObjectID>
+          <ObjectID>810c924b577246088ff7a60dda51425b</ObjectID>
           <ParentShapeId>5d0581b78aed4ee8b0bf6527c2681a23</ParentShapeId>
           <ChildShapeId>4e970de88c214cf0b3635042b9e226fb</ChildShapeId>
           <Text />
@@ -988,7 +988,7 @@
           <LineStrokeThickness>1</LineStrokeThickness>
         </ConnectedShapesRecord>
         <ConnectedShapesRecord>
-          <ObjectID>c51fb013ad584315a19eec9cf7701b9c</ObjectID>
+          <ObjectID>c56a5392fdcb4cb99bde4b0b7aca7069</ObjectID>
           <ParentShapeId>4e970de88c214cf0b3635042b9e226fb</ParentShapeId>
           <ChildShapeId>1c6ab24e7855452dbfd83e71bee81fdf</ChildShapeId>
           <Text />
@@ -1055,7 +1055,7 @@
           <LineStrokeThickness>1</LineStrokeThickness>
         </ConnectedShapesRecord>
         <ConnectedShapesRecord>
-          <ObjectID>cd3ec870da1442d1902aa323aba0a6ee</ObjectID>
+          <ObjectID>a5e37ca5b6574a1ba47d13b50483c249</ObjectID>
           <ParentShapeId>1c6ab24e7855452dbfd83e71bee81fdf</ParentShapeId>
           <ChildShapeId>a32ed2170b0d45968a4723b3a4f7e540</ChildShapeId>
           <Text />
@@ -1122,7 +1122,7 @@
           <LineStrokeThickness>1</LineStrokeThickness>
         </ConnectedShapesRecord>
         <ConnectedShapesRecord>
-          <ObjectID>aea20ea33bec424daf77ab0141d4c9cc</ObjectID>
+          <ObjectID>7a5dc86d6db2441cad85c4f6836ea3ff</ObjectID>
           <ParentShapeId>607ea9ee4a994d45bafe757014698907</ParentShapeId>
           <ChildShapeId>b49af04e608549c89ac919c9d3e57c01</ChildShapeId>
           <Text />
@@ -1189,7 +1189,7 @@
           <LineStrokeThickness>1</LineStrokeThickness>
         </ConnectedShapesRecord>
         <ConnectedShapesRecord>
-          <ObjectID>92905a126e024a379bbff7451f53adcd</ObjectID>
+          <ObjectID>edf473f522ab4420b4518d563f340bbf</ObjectID>
           <ParentShapeId>a838e00032384ba2ab7988a1b0c7240e</ParentShapeId>
           <ChildShapeId>6ef27b03d235471db3d6ff4e8d96a5f2</ChildShapeId>
           <Text>Daten der aktion</Text>
@@ -1256,7 +1256,7 @@
           <LineStrokeThickness>1</LineStrokeThickness>
         </ConnectedShapesRecord>
         <ConnectedShapesRecord>
-          <ObjectID>4d4f59cc79824433bf361a800ba1335a</ObjectID>
+          <ObjectID>e576b55981274419bf009ad25e69cbb1</ObjectID>
           <ParentShapeId>6ef27b03d235471db3d6ff4e8d96a5f2</ParentShapeId>
           <ChildShapeId>37eedc119a2c4e998b2254b25f4e7f87</ChildShapeId>
           <Text>Abheben</Text>
@@ -1323,7 +1323,7 @@
           <LineStrokeThickness>1</LineStrokeThickness>
         </ConnectedShapesRecord>
         <ConnectedShapesRecord>
-          <ObjectID>5fd85cbf87274fe0bfa164493d1327fa</ObjectID>
+          <ObjectID>80fab382ef394d209427522726f56358</ObjectID>
           <ParentShapeId>6ef27b03d235471db3d6ff4e8d96a5f2</ParentShapeId>
           <ChildShapeId>37eedc119a2c4e998b2254b25f4e7f87</ChildShapeId>
           <Text>Überweißung/einzug</Text>
@@ -1390,7 +1390,7 @@
           <LineStrokeThickness>1</LineStrokeThickness>
         </ConnectedShapesRecord>
         <ConnectedShapesRecord>
-          <ObjectID>eab38d6157d340be99046817cfbe8263</ObjectID>
+          <ObjectID>89c35f7ec6da4cb2ab3aa0a140072ad2</ObjectID>
           <ParentShapeId>37eedc119a2c4e998b2254b25f4e7f87</ParentShapeId>
           <ChildShapeId>607ea9ee4a994d45bafe757014698907</ChildShapeId>
           <Text />
@@ -1457,7 +1457,7 @@
           <LineStrokeThickness>1</LineStrokeThickness>
         </ConnectedShapesRecord>
         <ConnectedShapesRecord>
-          <ObjectID>9543ce518fd3411280e68fe2231e1e08</ObjectID>
+          <ObjectID>0453fd09b0fe487f9cf3269c33fe18b7</ObjectID>
           <ParentShapeId>b49af04e608549c89ac919c9d3e57c01</ParentShapeId>
           <ChildShapeId>1c6ab24e7855452dbfd83e71bee81fdf</ChildShapeId>
           <Text />
@@ -1524,7 +1524,7 @@
           <LineStrokeThickness>1</LineStrokeThickness>
         </ConnectedShapesRecord>
         <ConnectedShapesRecord>
-          <ObjectID>774c8acce1b94a73a915c4a4dd47d0bc</ObjectID>
+          <ObjectID>e75c504c385444ba85fb92fb362bdef3</ObjectID>
           <ParentShapeId>a32ed2170b0d45968a4723b3a4f7e540</ParentShapeId>
           <ChildShapeId>a838e00032384ba2ab7988a1b0c7240e</ChildShapeId>
           <Text>neue Aktivität festhalten</Text>
@@ -1591,7 +1591,7 @@
           <LineStrokeThickness>1</LineStrokeThickness>
         </ConnectedShapesRecord>
         <ConnectedShapesRecord>
-          <ObjectID>cccf5b43d66b442a99958413ea6095bc</ObjectID>
+          <ObjectID>5b71a30b2b364ae7a464e252824f58f2</ObjectID>
           <ParentShapeId>a32ed2170b0d45968a4723b3a4f7e540</ParentShapeId>
           <ChildShapeId>8e72f22161d94eeea283c0df0c41e557</ChildShapeId>
           <Text>Kontoauszugdrucken</Text>
@@ -1658,7 +1658,7 @@
           <LineStrokeThickness>1</LineStrokeThickness>
         </ConnectedShapesRecord>
         <ConnectedShapesRecord>
-          <ObjectID>c705a8a820ef490ca4e5251f196b6829</ObjectID>
+          <ObjectID>b57dcdd387e84c869c1675485086ab9d</ObjectID>
           <ParentShapeId>ffe8f01d912b4433830bce278888e1ee</ParentShapeId>
           <ChildShapeId>4fb53b4ee2304dc595ee36f22f68e83f</ChildShapeId>
           <Text />
@@ -1725,7 +1725,7 @@
           <LineStrokeThickness>1</LineStrokeThickness>
         </ConnectedShapesRecord>
         <ConnectedShapesRecord>
-          <ObjectID>f927102877f7410d930d263370ac336c</ObjectID>
+          <ObjectID>5ee5579d6b784c4ca65effaf481c812b</ObjectID>
           <ParentShapeId>4fb53b4ee2304dc595ee36f22f68e83f</ParentShapeId>
           <ChildShapeId>610af0ac1b64468eb7db7c08b4503a4d</ChildShapeId>
           <Text />
@@ -1788,7 +1788,7 @@
           <LineStrokeThickness>1</LineStrokeThickness>
         </ConnectedShapesRecord>
         <ConnectedShapesRecord>
-          <ObjectID>e3920325cecc441996e46d25cff4e5a1</ObjectID>
+          <ObjectID>4af87af85f6a49f18470d308b24f2ec0</ObjectID>
           <ParentShapeId>8e72f22161d94eeea283c0df0c41e557</ParentShapeId>
           <ChildShapeId>d9ae231714074ef49b2560269b4e7405</ChildShapeId>
           <Text>keine neuen Einträge</Text>
@@ -1855,7 +1855,7 @@
           <LineStrokeThickness>1</LineStrokeThickness>
         </ConnectedShapesRecord>
         <ConnectedShapesRecord>
-          <ObjectID>92bde730fc44488382d00388dc9569a8</ObjectID>
+          <ObjectID>7b14420f07884668ababa8d2a79f6f5c</ObjectID>
           <ParentShapeId>8e72f22161d94eeea283c0df0c41e557</ParentShapeId>
           <ChildShapeId>ffe8f01d912b4433830bce278888e1ee</ChildShapeId>
           <Text>neue Einträge </Text>
@@ -1922,7 +1922,7 @@
           <LineStrokeThickness>1</LineStrokeThickness>
         </ConnectedShapesRecord>
         <ConnectedShapesRecord>
-          <ObjectID>86f594cd861146a3bcfb9b686360c5ec</ObjectID>
+          <ObjectID>79722d87c9ea4d79a58ceeaac9168f6f</ObjectID>
           <ParentShapeId>d9ae231714074ef49b2560269b4e7405</ParentShapeId>
           <ChildShapeId>610af0ac1b64468eb7db7c08b4503a4d</ChildShapeId>
           <Text />
@@ -1989,7 +1989,7 @@
           <LineStrokeThickness>1</LineStrokeThickness>
         </ConnectedShapesRecord>
         <ConnectedShapesRecord>
-          <ObjectID>ae1e79a26260481883efe9d7568f8af7</ObjectID>
+          <ObjectID>9e30629330e948838c8768991174bfe7</ObjectID>
           <ParentShapeId>610af0ac1b64468eb7db7c08b4503a4d</ParentShapeId>
           <ChildShapeId>1c6ab24e7855452dbfd83e71bee81fdf</ChildShapeId>
           <Text />
@@ -2482,7 +2482,7 @@
       <FreeLineShapes />
       <ConnectedShapes>
         <ConnectedShapesRecord>
-          <ObjectID>fd14c93bc14141f99d623acda6e674f0</ObjectID>
+          <ObjectID>4631c244b7214707ae3893c33baa169e</ObjectID>
           <ParentShapeId>672224f278704a4381e48874f64f1725</ParentShapeId>
           <ChildShapeId>bea34833ed394b3c9302e5841fb58c3b</ChildShapeId>
           <Text>1*</Text>
@@ -2920,7 +2920,7 @@
       <FreeLineShapes />
       <ConnectedShapes>
         <ConnectedShapesRecord>
-          <ObjectID>3a902849417a4ab781b16dda67233f15</ObjectID>
+          <ObjectID>951911c5ef1f41b9ba3e3adc53bf3373</ObjectID>
           <ParentShapeId>5c182728429a45fb83b5769df4d6b599</ParentShapeId>
           <ChildShapeId>747c149e0b294a9d806e98de4399660d</ChildShapeId>
           <Text>hinzufügen()</Text>
@@ -2987,7 +2987,7 @@
           <LineStrokeThickness>1</LineStrokeThickness>
         </ConnectedShapesRecord>
         <ConnectedShapesRecord>
-          <ObjectID>be3e6b32e68b4f78b9def6e3b8b43029</ObjectID>
+          <ObjectID>c6640d786f794031a1beb04316ea5dd9</ObjectID>
           <ParentShapeId>5c182728429a45fb83b5769df4d6b599</ParentShapeId>
           <ChildShapeId>747c149e0b294a9d806e98de4399660d</ChildShapeId>
           <Text>delete</Text>
@@ -3054,7 +3054,7 @@
           <LineStrokeThickness>1</LineStrokeThickness>
         </ConnectedShapesRecord>
         <ConnectedShapesRecord>
-          <ObjectID>b52978927a0043298046cdf53d3b2326</ObjectID>
+          <ObjectID>52141e978c9b42b595c9a5a166e6070c</ObjectID>
           <ParentShapeId>5c182728429a45fb83b5769df4d6b599</ParentShapeId>
           <ChildShapeId>ddd3bc6f429440deaae5fc26418736c5</ChildShapeId>
           <Text>Ausgabe():String</Text>
@@ -3121,7 +3121,7 @@
           <LineStrokeThickness>1</LineStrokeThickness>
         </ConnectedShapesRecord>
         <ConnectedShapesRecord>
-          <ObjectID>7bd257e3336a4cdc8fa28b389d8b1964</ObjectID>
+          <ObjectID>217e0a84ec0a4949ab4d34c6fd3ceb66</ObjectID>
           <ParentShapeId>ddd3bc6f429440deaae5fc26418736c5</ParentShapeId>
           <ChildShapeId>5c182728429a45fb83b5769df4d6b599</ChildShapeId>
           <Text>erstellen eines neuen kontos</Text>
@@ -3188,7 +3188,7 @@
           <LineStrokeThickness>1</LineStrokeThickness>
         </ConnectedShapesRecord>
         <ConnectedShapesRecord>
-          <ObjectID>9028a896f4504945b0d0493a38b3d813</ObjectID>
+          <ObjectID>18ccf5617f644dfd925b1c0a0a7db8e2</ObjectID>
           <ParentShapeId>ddd3bc6f429440deaae5fc26418736c5</ParentShapeId>
           <ChildShapeId>5c182728429a45fb83b5769df4d6b599</ChildShapeId>
           <Text>delete():void</Text>
@@ -3255,7 +3255,7 @@
           <LineStrokeThickness>1</LineStrokeThickness>
         </ConnectedShapesRecord>
         <ConnectedShapesRecord>
-          <ObjectID>2b557de40a8f45f4b4fd3b29d147ef5a</ObjectID>
+          <ObjectID>58b8bdeeeeee4e5e823167cba046cfd1</ObjectID>
           <ParentShapeId>ddd3bc6f429440deaae5fc26418736c5</ParentShapeId>
           <ChildShapeId>5c182728429a45fb83b5769df4d6b599</ChildShapeId>
           <Text>hinzufügen()void</Text>
@@ -3322,7 +3322,7 @@
           <LineStrokeThickness>1</LineStrokeThickness>
         </ConnectedShapesRecord>
         <ConnectedShapesRecord>
-          <ObjectID>3a82ef0b8f5c4298ac882cb7b5b17a82</ObjectID>
+          <ObjectID>a09de176aedf4cdf88e454f1cfea734b</ObjectID>
           <ParentShapeId>747c149e0b294a9d806e98de4399660d</ParentShapeId>
           <ChildShapeId>5c182728429a45fb83b5769df4d6b599</ChildShapeId>
           <Text>Ausgeben():String</Text>
diff --git a/Bank-Beispiel/src/de/hs_mannheim/informatik/bank/Main.java b/Bank-Beispiel/src/de/hs_mannheim/informatik/bank/Main.java
index 9fafdd1..2c1f5f7 100644
--- a/Bank-Beispiel/src/de/hs_mannheim/informatik/bank/Main.java
+++ b/Bank-Beispiel/src/de/hs_mannheim/informatik/bank/Main.java
@@ -5,7 +5,7 @@ import de.hs_mannheim.informatik.bank.ui.UI;
 
 public class Main {
 
-	public static void main(String[] args) {
+	public static void main(String[] args) throws Exception {
 		Banksystem bs = new Banksystem("Spaßkasse Mannheim");
 		UI ui = new UI(bs);
 	}
diff --git a/Bank-Beispiel/src/de/hs_mannheim/informatik/bank/domain/Aktivität.java b/Bank-Beispiel/src/de/hs_mannheim/informatik/bank/domain/Aktivität.java
index ce85d1e..685fa7b 100644
--- a/Bank-Beispiel/src/de/hs_mannheim/informatik/bank/domain/Aktivität.java
+++ b/Bank-Beispiel/src/de/hs_mannheim/informatik/bank/domain/Aktivität.java
@@ -1,10 +1,11 @@
 package de.hs_mannheim.informatik.bank.domain;
 
+import java.io.Serializable;
 import java.text.SimpleDateFormat;
 import java.util.Calendar;
 import java.util.GregorianCalendar;
 
-public class Aktivität {
+public class Aktivität implements Serializable{
 	private String Datum;
 	private String Ort;
 	private int Empfänger;
diff --git a/Bank-Beispiel/src/de/hs_mannheim/informatik/bank/domain/Bank.java b/Bank-Beispiel/src/de/hs_mannheim/informatik/bank/domain/Bank.java
index a73444c..4a3c732 100644
--- a/Bank-Beispiel/src/de/hs_mannheim/informatik/bank/domain/Bank.java
+++ b/Bank-Beispiel/src/de/hs_mannheim/informatik/bank/domain/Bank.java
@@ -2,9 +2,9 @@ package de.hs_mannheim.informatik.bank.domain;
 
 import java.util.Collection;
 import java.util.HashMap;
+import java.io.Serializable;
 
-
-public class Bank {
+public class Bank implements Serializable{
 	private String name;
 	private HashMap<Integer, Konto> konten = new HashMap<>();
 	
@@ -22,15 +22,19 @@ public class Bank {
 	
 	public Collection<Konto> getKontenliste() {
 		return konten.values();
+		
 	}
 	public long getKontostand(int Kontonummer) {
 		return konten.get(Kontonummer).getStand();
+		
 	}
 	public long GeldEinzahlen(int Kontonummer,double Betrag) {
 		return konten.get(Kontonummer).Einzahlen(Betrag);
+		
 	}
 	public long Überweißen(int Kontonummer,double Betrag) {
 		return konten.get(Kontonummer).neueÜberweisung(Betrag, Kontonummer);
+		
 	}
 	public void kontoAuszugerstellen(int Kontonummer) {
 		konten.get(Kontonummer).kontoAuszugerstellen();
@@ -41,6 +45,7 @@ public class Bank {
 	}
 	public long abheben(int kontonummer,double Menge) {
 		return konten.get(kontonummer).abbuchen(Menge);
+		
 	}
 }
 
diff --git a/Bank-Beispiel/src/de/hs_mannheim/informatik/bank/domain/Datenbank.java b/Bank-Beispiel/src/de/hs_mannheim/informatik/bank/domain/Datenbank.java
new file mode 100644
index 0000000..8604db0
--- /dev/null
+++ b/Bank-Beispiel/src/de/hs_mannheim/informatik/bank/domain/Datenbank.java
@@ -0,0 +1,51 @@
+package de.hs_mannheim.informatik.bank.domain;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.ObjectOutputStream;
+import java.util.HashMap;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+
+import de.hs_mannheim.informatik.bank.facade.Banksystem;
+
+public class Datenbank {
+	File fp=new File("object.ser");
+	ObjectOutputStream file;
+	 
+	
+	public void Speichern(Bank bank) throws Exception{
+			
+			file=new ObjectOutputStream(new FileOutputStream(fp));
+			file.writeObject(bank);
+		
+	}
+	public Bank Laden() throws Exception{
+		if(fp.exists()) {
+			ObjectInputStream file=new ObjectInputStream(new FileInputStream(fp));
+			Bank object=(Bank)file.readObject();
+			return object;
+		}
+		return null;
+	}
+//	public boolean fileExcists() {
+//		if(!fl.exists()) {
+//			try {
+//				boolean wurdeerstellt=fl.createNewFile();
+//				if(wurdeerstellt) {
+//					return true;
+//				}
+//				else {
+//					return false;
+//				}
+//			}catch(IOException ex) {
+//				ex.printStackTrace();
+//				return false;
+//			}
+//			
+//		}
+//		return true;
+//	}
+}
diff --git a/Bank-Beispiel/src/de/hs_mannheim/informatik/bank/domain/Konto.java b/Bank-Beispiel/src/de/hs_mannheim/informatik/bank/domain/Konto.java
index ba29243..dbbb34b 100644
--- a/Bank-Beispiel/src/de/hs_mannheim/informatik/bank/domain/Konto.java
+++ b/Bank-Beispiel/src/de/hs_mannheim/informatik/bank/domain/Konto.java
@@ -1,6 +1,8 @@
 package de.hs_mannheim.informatik.bank.domain;
 
-public class Konto {
+import java.io.Serializable;
+
+public class Konto implements Serializable{
 	private static int kontozähler = 0;
 	
 	private int nummer;
@@ -11,7 +13,7 @@ public class Konto {
 	public Konto(String inhaber) {
 		nummer = 1000 + kontozähler++;
 		this.inhaber = inhaber;
-		//Kontoauszug KA=new Kontoauszug();
+		Kontoauszug KA=new Kontoauszug();
 	}
 	
 	public int getKontonummer() {
diff --git a/Bank-Beispiel/src/de/hs_mannheim/informatik/bank/domain/Kontoauszug.java b/Bank-Beispiel/src/de/hs_mannheim/informatik/bank/domain/Kontoauszug.java
index 304fb25..07f6a81 100644
--- a/Bank-Beispiel/src/de/hs_mannheim/informatik/bank/domain/Kontoauszug.java
+++ b/Bank-Beispiel/src/de/hs_mannheim/informatik/bank/domain/Kontoauszug.java
@@ -1,8 +1,9 @@
 package de.hs_mannheim.informatik.bank.domain;
 
+import java.io.Serializable;
 import java.util.ArrayList;
 
-public class Kontoauszug {
+public class Kontoauszug implements Serializable{
 	private ArrayList <Aktivität> Historie=new ArrayList();
 	
 	
diff --git a/Bank-Beispiel/src/de/hs_mannheim/informatik/bank/facade/Banksystem.java b/Bank-Beispiel/src/de/hs_mannheim/informatik/bank/facade/Banksystem.java
index 1f99fbc..a688bf0 100644
--- a/Bank-Beispiel/src/de/hs_mannheim/informatik/bank/facade/Banksystem.java
+++ b/Bank-Beispiel/src/de/hs_mannheim/informatik/bank/facade/Banksystem.java
@@ -3,10 +3,12 @@ package de.hs_mannheim.informatik.bank.facade;
 import java.util.Collection;
 
 import de.hs_mannheim.informatik.bank.domain.Bank;
+import de.hs_mannheim.informatik.bank.domain.Datenbank;
 import de.hs_mannheim.informatik.bank.domain.Konto;
 
 public class Banksystem {
 	private Bank bank;
+	private Datenbank DB=new Datenbank();
 	
 	public Banksystem(String bankname) {
 		this.bank = new Bank(bankname);
@@ -49,4 +51,11 @@ public class Banksystem {
 	public void Überweisung(int Empfänger, int Sender,double Menge) {
 		bank.kontoÜberweisen(Empfänger, Sender, Menge);
 	}
+	public void Speichern() throws Exception {
+		DB.Speichern(bank);
+	}
+	public void Laden()throws Exception{
+		if(DB.Laden()!=null)
+			this.bank=DB.Laden();
+	}
 }
diff --git a/Bank-Beispiel/src/de/hs_mannheim/informatik/bank/ui/UI.java b/Bank-Beispiel/src/de/hs_mannheim/informatik/bank/ui/UI.java
index 2b836f2..3640611 100644
--- a/Bank-Beispiel/src/de/hs_mannheim/informatik/bank/ui/UI.java
+++ b/Bank-Beispiel/src/de/hs_mannheim/informatik/bank/ui/UI.java
@@ -8,9 +8,11 @@ public class UI {
 	private Banksystem bs;
 	Scanner sc = new Scanner(System.in);
 
-	public UI(Banksystem bs) {
+	public UI(Banksystem bs) throws Exception {
 		this.bs = bs;
+		Laden();
 		hauptmenü();
+		Speichern();
 	}
 
 	private void hauptmenü() {
@@ -129,13 +131,14 @@ public class UI {
 		}
 		sc.nextLine();
 		
-		
-		
-		
 	}
 	
-	
-	
+	public void Laden()throws Exception{
+		bs.Laden();
+	}
+	public void Speichern()throws Exception{
+		bs.Speichern();
+	}