diff --git a/Faktur2/src/ConfigDatei.java b/Faktur2/src/ConfigDatei.java
index 7451ed0..aae78af 100644
--- a/Faktur2/src/ConfigDatei.java
+++ b/Faktur2/src/ConfigDatei.java
@@ -5,9 +5,10 @@ import java.io.FileNotFoundException;
 import java.io.FileReader;
 import java.io.FileWriter;
 import java.io.IOException;
+import java.io.Serializable;
 import java.util.Scanner;
 
-public class ConfigDatei {
+public class ConfigDatei implements Serializable {
 
 	private String firmenname;
 	private String Firmenadresse;
@@ -15,7 +16,8 @@ public class ConfigDatei {
 
 	public static void main(String[] args) throws IOException {
 		Scanner sc = new Scanner(System.in);
-		File tmpFile = new File("C:\\Users\\Tim\\OneDrive\\Desktop\\configu.txt");
+		File tmpFile = new File("C:\\Users\\Tim\\OneDrive\\Desktop\\configuration.txt");
+	
 		char quote = '"';
 
 		if (!tmpFile.exists()) {
@@ -43,13 +45,14 @@ public class ConfigDatei {
 		}
 
 		else {
-//
+
 			try {
 				BufferedReader br = new BufferedReader(new FileReader(tmpFile));
 				String zeile;
 				while ((zeile = br.readLine()) != null) {
 					String werte[] = zeile.split("=");
 					String name = werte[0];
+					
 					String value = werte[1].replace(quote, ' ').trim();
 					System.out.println(name + ":" + value);
 
diff --git a/Faktur2/src/FakturException.java b/Faktur2/src/FakturException.java
new file mode 100644
index 0000000..c9b4470
--- /dev/null
+++ b/Faktur2/src/FakturException.java
@@ -0,0 +1,22 @@
+
+public class FakturException extends Exception {
+	private int laenge;
+
+
+	public FakturException(String meldung) {
+		super(meldung);
+	}
+
+	public FakturException(String meldung, int laenge) {
+		super(meldung);
+		this.laenge = laenge;
+	}
+
+	public double getLaenge() {
+		return laenge;
+	}
+
+	
+
+	
+}
diff --git a/Faktur2/src/Persistenz.java b/Faktur2/src/Persistenz.java
index 286e49b..fa84418 100644
--- a/Faktur2/src/Persistenz.java
+++ b/Faktur2/src/Persistenz.java
@@ -1,51 +1,26 @@
-import java.io.BufferedReader;
-import java.io.BufferedWriter;
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.FileReader;
-import java.io.FileWriter;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
 import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
 
 public class Persistenz {
 
-	public static final String FILEPATH = "C:\\Users\\Tim\\OneDrive\\Desktop\\c.txt";
+	public static final String FILEPATH = "daten.ser";
 
-	public void speichern(Datenmodell daten) throws IOException {
-		File file = new File(FILEPATH);
-		if (!file.exists()) {
-			file.createNewFile();
-		}
-		BufferedWriter bw = new BufferedWriter(new FileWriter(file));
-		char quote = '"';
-		bw.write("Firmenname: " + quote + daten.getFirmenname() + quote + "\n");
-		bw.write("Firmenadresse: " + quote + daten.getFirmenadresse() + quote + "\n");
-		bw.write("Bankverbindung: " + quote + daten.getBankverbindung() + quote + "\n");
+	public static Datei speichereDaten(Object datei, String name) throws IOException {
+		ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream(name + FILEPATH));
+		oos.writeObject(datei);
+		oos.close();
+		return (Datei) datei;
 
 	}
 
-	public Datenmodell laden() throws IOException {
-		Datenmodell daten = new Datenmodell();
-		BufferedReader br = new BufferedReader(new FileReader(FILEPATH));
+	public static Object ladeDaten(String name) throws ClassNotFoundException, IOException {
+		ObjectInputStream ois = new ObjectInputStream(new FileInputStream(name + FILEPATH));
+		Object datei = ois.readObject();
+		ois.close();
+		return datei;
 
-		String zeile;
-		while ((zeile = br.readLine()) != null) {
-			String werte[] = zeile.split("=");
-			String name = werte[0].trim();
-			String value = werte[1].trim().replace("/", "");
-			switch (name) {
-			case "Firmenname":
-				daten.setBankverbindung(value);
-				break;
-			case "Firmenadresse":
-				daten.setFirmenadresse(value);
-				break;
-			case "Bankverbindung":
-				daten.setBankverbindung(value);
-				break;
-			}
-		}
-		br.close();
-
-		return daten;
 	}
 }
\ No newline at end of file