changed the file structure

Code/Steiner/oppUebung4/src/App.java

@@ -1,5 +1,7 @@
+import java.util.*;
+
 public class App {
-    public static void main(String[] args) throws Exception {
+    public static void main(String[] args) {
         Object[][] article = {
                 { 1, "Banana", 5, "Stk" },
                 { 23, "Flour", 2, "KG" },
@@ -13,39 +15,81 @@ public class App {
                 { 56, "Bread", 2, "Loaves" },
                 { 90, "Cheese", 1, "KG" },
                 { 32, "Tomato", 8, "Stk" },
-                { 11, "Salt", 1, "KG" }
-
+                { 11, "Salt", 1, "KG" },
+                { 13, "Cocaine", 12, "mg" }
         };
 
         // Create an array to hold Storage objects
-        Storage[] myStorage = new Storage[article.length];
+        Storage[] myStorage = new Storage[1000];
+        Storage[] myArticles = new Storage[article.length];
 
-        // Create and store Storage objects in the array
+        // Initialize 1000 possible storage places
+        for (int i = 0; i < myStorage.length; i++) {
+            myStorage[i] = initializStorage(); // Initialize storage with default values
+        }
+
+        // Create and store Storage objects in the myArticles array
         for (int i = 0; i < article.length; i++) {
-            myStorage[i] = createStorage(article[i]);
+            myArticles[i] = createStorage(article[i]);
+        }
+
+        // Fill some of the myStorage array with the contents of myArticles
+        // For example, place the first few articles into the first few storage slots
+        for (int i = 0; i < myArticles.length; i++) {
+            if (i < myStorage.length) {
+                myStorage[i] = myArticles[i];
+            }
         }
 
         // Print out the details of each Item
         for (Storage storage : myStorage) {
             printItems(storage);
         }
+        String search = "Banana";
+        Storage foundItems = lookUp(myStorage, search);
+        if (foundItems != null) {
+            System.out.println("-------------------");
+            System.out.println("You searched for " + search);
+            printItems(foundItems);
+        } else {
+            System.out.println("No " + search + " found");
+        }
+    }
 
+    private static Storage initializStorage() {
+        Storage storage = new Storage();
+        storage.storageId = 0;
+        storage.article.name = "";
+        storage.quantaty = 0;
+        storage.article.unit = "";
+        return storage;
     }
 
     private static Storage createStorage(Object[] article) {
         Storage storage = new Storage();
         storage.storageId = (int) article[0];
-        storage.name = (String) article[1];
-        storage.unit.quantaty = (int) article[2];
-        storage.unit.unit = (String) article[3];
+        storage.article.name = (String) article[1];
+        storage.quantaty = (int) article[2];
+        storage.article.unit = (String) article[3];
         return storage;
     }
 
     private static void printItems(Storage storage) {
-        System.out.println("Item on shelf: " + storage.storageId);
-        System.out.println("Item name: " + storage.name);
-        System.out.println("Item(s) on stock: " + storage.unit.quantaty);
-        System.out.println("Measured unit: " + storage.unit.unit);
-        System.out.println("-----------------------------------------");
+        if (storage.storageId != 0) { // Only print if there's an actual item
+            System.out.println("Item on shelf: " + storage.storageId);
+            System.out.println("Item name: " + storage.article.name);
+            System.out.println("Item(s) on stock: " + storage.quantaty);
+            System.out.println("Measured unit: " + storage.article.unit);
+            System.out.println("-----------------------------------------");
+        }
+    }
+
+    private static Storage lookUp(Storage[] myStorage, String name) {
+        for (Storage storage : myStorage) {
+            if (storage.article.name == name) {
+                return storage;
+            }
+        }
+        return null;
     }
 }

Code/Steiner/oppUebung4/src/Article.java

@@ -0,0 +1,4 @@
+class Article {
+    String unit;
+    String name;
+}

Code/Steiner/oppUebung4/src/Storage.java

@@ -1,5 +1,6 @@
-public class Storage {
+
+class Storage {
     int storageId;
-    String name;
-    Unit unit = new Unit();
+    Article article = new Article();
+    int quantaty;
 }

Code/Steiner/oppUebung4/src/Unit.java

@@ -1,4 +0,0 @@
-public class Unit {
-    int quantaty;
-    String unit;
-}