diff --git a/Shop/src/de/th_mannheim/informatik/main/java/shop/Cart.java b/Shop/src/de/th_mannheim/informatik/main/java/shop/backend/Cart.java
similarity index 56%
rename from Shop/src/de/th_mannheim/informatik/main/java/shop/Cart.java
rename to Shop/src/de/th_mannheim/informatik/main/java/shop/backend/Cart.java
index a38b86d..af36137 100644
--- a/Shop/src/de/th_mannheim/informatik/main/java/shop/Cart.java
+++ b/Shop/src/de/th_mannheim/informatik/main/java/shop/backend/Cart.java
@@ -1,4 +1,4 @@
-package shop;
+package shop.backend;
 
 public class Cart {
 
diff --git a/Shop/src/de/th_mannheim/informatik/main/java/shop/CartPosition.java b/Shop/src/de/th_mannheim/informatik/main/java/shop/backend/CartPosition.java
similarity index 63%
rename from Shop/src/de/th_mannheim/informatik/main/java/shop/CartPosition.java
rename to Shop/src/de/th_mannheim/informatik/main/java/shop/backend/CartPosition.java
index 7a7e913..71bb09a 100644
--- a/Shop/src/de/th_mannheim/informatik/main/java/shop/CartPosition.java
+++ b/Shop/src/de/th_mannheim/informatik/main/java/shop/backend/CartPosition.java
@@ -1,4 +1,4 @@
-package shop;
+package shop.backend;
 
 
 /*
@@ -15,5 +15,15 @@ public class CartPosition {
         this.product = product;
         this.quantity = quantity;
     }
+    public double getTotalPrice(){
+        return product.getNetPrice() * quantity;
+    }
+    public Product getProduct(){
+        return product;
+    }
+    public int getQuantity(){
+        return quantity;
+    }
+
 }
 
diff --git a/Shop/src/de/th_mannheim/informatik/main/java/shop/OnlineShop.java b/Shop/src/de/th_mannheim/informatik/main/java/shop/backend/OnlineShop.java
similarity index 89%
rename from Shop/src/de/th_mannheim/informatik/main/java/shop/OnlineShop.java
rename to Shop/src/de/th_mannheim/informatik/main/java/shop/backend/OnlineShop.java
index d997d51..c40017b 100644
--- a/Shop/src/de/th_mannheim/informatik/main/java/shop/OnlineShop.java
+++ b/Shop/src/de/th_mannheim/informatik/main/java/shop/backend/OnlineShop.java
@@ -1,4 +1,4 @@
-package shop;
+package shop.backend;
 /*
 Controller Klasse des Projektes.
 TODO
@@ -25,8 +25,7 @@ public class OnlineShop {
 
     }
 
-    public String[] produktListe() {
-        String[] produkt = new String[lager.size()];
+    public String[] produktListe() {   String[] produkt = new String[lager.size()];
         for (int i = 0; i < lager.size(); i++)
             produkt[i] = lager.get(i).toString();
 
@@ -36,6 +35,7 @@ public class OnlineShop {
         ArrayList<String> lines = new ArrayList<>();
         Scanner sc = new Scanner(new File(path));
 
+
         while (sc.hasNextLine()) {
             lines.add(sc.nextLine());
         }
diff --git a/Shop/src/de/th_mannheim/informatik/main/java/shop/Order.java b/Shop/src/de/th_mannheim/informatik/main/java/shop/backend/Order.java
similarity index 70%
rename from Shop/src/de/th_mannheim/informatik/main/java/shop/Order.java
rename to Shop/src/de/th_mannheim/informatik/main/java/shop/backend/Order.java
index 98a8966..d339896 100644
--- a/Shop/src/de/th_mannheim/informatik/main/java/shop/Order.java
+++ b/Shop/src/de/th_mannheim/informatik/main/java/shop/backend/Order.java
@@ -1,4 +1,4 @@
-package shop;
+package shop.backend;
 /*
 TODO Kassenbon System
  */
diff --git a/Shop/src/de/th_mannheim/informatik/main/java/shop/Product.java b/Shop/src/de/th_mannheim/informatik/main/java/shop/backend/Product.java
similarity index 98%
rename from Shop/src/de/th_mannheim/informatik/main/java/shop/Product.java
rename to Shop/src/de/th_mannheim/informatik/main/java/shop/backend/Product.java
index 7519462..cdaf3bd 100644
--- a/Shop/src/de/th_mannheim/informatik/main/java/shop/Product.java
+++ b/Shop/src/de/th_mannheim/informatik/main/java/shop/backend/Product.java
@@ -1,4 +1,4 @@
-package shop;
+package shop.backend;
 
 /*
 TODO
diff --git a/Shop/src/de/th_mannheim/informatik/main/java/shop/ShopTUI.java b/Shop/src/de/th_mannheim/informatik/main/java/shop/frontend/ShopTUI.java
similarity index 91%
rename from Shop/src/de/th_mannheim/informatik/main/java/shop/ShopTUI.java
rename to Shop/src/de/th_mannheim/informatik/main/java/shop/frontend/ShopTUI.java
index 80cc538..c219dd0 100644
--- a/Shop/src/de/th_mannheim/informatik/main/java/shop/ShopTUI.java
+++ b/Shop/src/de/th_mannheim/informatik/main/java/shop/frontend/ShopTUI.java
@@ -1,4 +1,6 @@
-package shop;
+package shop.frontend;
+
+import shop.backend.OnlineShop;
 
 import java.util.Scanner;
 
diff --git a/Shop/src/de/th_mannheim/informatik/test/java/shop/CartTest.java b/Shop/src/de/th_mannheim/informatik/test/java/shop/CartTest.java
deleted file mode 100644
index 350153d..0000000
--- a/Shop/src/de/th_mannheim/informatik/test/java/shop/CartTest.java
+++ /dev/null
@@ -1,5 +0,0 @@
-package shop;
-
-class CartTest {
-
-}
\ No newline at end of file
diff --git a/Shop/src/de/th_mannheim/informatik/test/java/shop/OrderTest.java b/Shop/src/de/th_mannheim/informatik/test/java/shop/OrderTest.java
deleted file mode 100644
index 33b051b..0000000
--- a/Shop/src/de/th_mannheim/informatik/test/java/shop/OrderTest.java
+++ /dev/null
@@ -1,5 +0,0 @@
-package shop;
-
-class OrderTest {
-
-}
\ No newline at end of file
diff --git a/Shop/src/de/th_mannheim/informatik/test/java/shop/ShopTUITest.java b/Shop/src/de/th_mannheim/informatik/test/java/shop/ShopTUITest.java
deleted file mode 100644
index be19438..0000000
--- a/Shop/src/de/th_mannheim/informatik/test/java/shop/ShopTUITest.java
+++ /dev/null
@@ -1,5 +0,0 @@
-package shop;
-
-class ShopTUITest {
-
-}
\ No newline at end of file
diff --git a/Shop/src/de/th_mannheim/informatik/test/java/shop/backend/CartTest.java b/Shop/src/de/th_mannheim/informatik/test/java/shop/backend/CartTest.java
new file mode 100644
index 0000000..e605ad5
--- /dev/null
+++ b/Shop/src/de/th_mannheim/informatik/test/java/shop/backend/CartTest.java
@@ -0,0 +1,5 @@
+package shop.backend;
+
+class CartTest {
+
+}
\ No newline at end of file
diff --git a/Shop/src/de/th_mannheim/informatik/test/java/shop/OnlineShopTest.java b/Shop/src/de/th_mannheim/informatik/test/java/shop/backend/OnlineShopTest.java
similarity index 52%
rename from Shop/src/de/th_mannheim/informatik/test/java/shop/OnlineShopTest.java
rename to Shop/src/de/th_mannheim/informatik/test/java/shop/backend/OnlineShopTest.java
index a3080c5..4e9af5d 100644
--- a/Shop/src/de/th_mannheim/informatik/test/java/shop/OnlineShopTest.java
+++ b/Shop/src/de/th_mannheim/informatik/test/java/shop/backend/OnlineShopTest.java
@@ -1,4 +1,4 @@
-package shop;
+package shop.backend;
 
 class OnlineShopTest {
 
diff --git a/Shop/src/de/th_mannheim/informatik/test/java/shop/backend/OrderTest.java b/Shop/src/de/th_mannheim/informatik/test/java/shop/backend/OrderTest.java
new file mode 100644
index 0000000..579aa78
--- /dev/null
+++ b/Shop/src/de/th_mannheim/informatik/test/java/shop/backend/OrderTest.java
@@ -0,0 +1,5 @@
+package shop.backend;
+
+class OrderTest {
+
+}
\ No newline at end of file
diff --git a/Shop/src/de/th_mannheim/informatik/test/java/shop/ProductsTest.java b/Shop/src/de/th_mannheim/informatik/test/java/shop/backend/ProductsTest.java
similarity index 91%
rename from Shop/src/de/th_mannheim/informatik/test/java/shop/ProductsTest.java
rename to Shop/src/de/th_mannheim/informatik/test/java/shop/backend/ProductsTest.java
index 5a734a6..1a81ad3 100644
--- a/Shop/src/de/th_mannheim/informatik/test/java/shop/ProductsTest.java
+++ b/Shop/src/de/th_mannheim/informatik/test/java/shop/backend/ProductsTest.java
@@ -1,4 +1,4 @@
-package shop;
+package shop.backend;
 
 import org.junit.jupiter.api.Test;
 
diff --git a/Shop/src/de/th_mannheim/informatik/test/java/shop/frontend/ShopTUITest.java b/Shop/src/de/th_mannheim/informatik/test/java/shop/frontend/ShopTUITest.java
new file mode 100644
index 0000000..1579763
--- /dev/null
+++ b/Shop/src/de/th_mannheim/informatik/test/java/shop/frontend/ShopTUITest.java
@@ -0,0 +1,5 @@
+package shop.frontend;
+
+class ShopTUITest {
+
+}
\ No newline at end of file