1

Inventory.java

         this.items = items;
     }
 
-
     public void updateQuality() {
         for (int i = 0; i < items.length; i++) {
+            //level 1 - item type
             if (!items[i].getName().equals("Aged Brie")
-                    && !items[i].getName().equals("Backstage passes to a TAFKAL80ETC concert")) {
+            && !items[i].getName().equals("Backstage passes to a TAFKAL80ETC concert")) {
+                //level 2 - quality
                 if (items[i].getQuality() > 0) {
+                    //level 3 - item type
                     if (!items[i].getName().equals("Sulfuras, Hand of Ragnaros")) {
                         items[i].setQuality(items[i].getQuality() - 1);
                     }
                 }
+            //level 1 - item type
             } else {
+                //level 2 - quality
                 if (items[i].getQuality() < 50) {
                     items[i].setQuality(items[i].getQuality() + 1);
-
+                    //level 3 - item type
                     if (items[i].getName() == "Backstage passes to a TAFKAL80ETC concert") {
+                        //level 4 - sell in date
                         if (items[i].getSellIn() < 11) {
+                            //level 5 - quality
                             if (items[i].getQuality() < 50) {
                                 items[i].setQuality(items[i].getQuality() + 1);
                             }
                         }
-
+                        //level 4 - sell in date
                         if (items[i].getSellIn() < 6) {
+                            //level 5 - quality
                             if (items[i].getQuality() < 50) {
                                 items[i].setQuality(items[i].getQuality() + 1);
                             }
                     }
                 }
             }
-
+            
+            
+            //level 1 - item type
             if (!items[i].getName().equals("Sulfuras, Hand of Ragnaros")) {
                 items[i].setSellIn(items[i].getSellIn() - 1);
             }
-
+            
+            
+            //level 1 - sell in date
             if (items[i].getSellIn() < 0) {
+                //level 2 - item type
                 if (!items[i].getName().equals("Aged Brie")) {
+                    //level 3 - item type
                     if (!items[i].getName().equals("Backstage passes to a TAFKAL80ETC concert")) {
+                        //level 4 - quality
                         if (items[i].getQuality() > 0) {
+                            //level 5 - item type
                             if (!items[i].getName().equals("Sulfuras, Hand of Ragnaros")) {
-                                items[i].setQuality(items[i].getQuality() - 1);
+                                updateQuality(items[i], -1);
                             }
                         }
+                    //level 3 - item type
                     } else {
-                        items[i].setQuality(items[i].getQuality()
-                                - items[i].getQuality());
+                        updateQuality(items[i], -items[i].getQuality());
                     }
+                //level 2 - item type
                 } else {
+                    //level 3 - quality
                     if (items[i].getQuality() < 50) {
-                        items[i].setQuality(items[i].getQuality() + 1);
+                        updateQuality(items[i], 1);
                     }
                 }
             }
         }
-}
+    }
+    
+    public void updateQuality(Item item, int amount){
+        item.setQuality(item.getQuality() + amount);
+    }
 }

package.bluej

 dependency2.from=InventoryTest
 dependency2.to=Inventory
 dependency2.type=UsesDependency
-editor.fx.0.height=722
-editor.fx.0.width=800
-editor.fx.0.x=320
-editor.fx.0.y=50
+editor.fx.0.height=1054
+editor.fx.0.width=1033
+editor.fx.0.x=-318
+editor.fx.0.y=-1057
 objectbench.height=164
-objectbench.width=776
+objectbench.width=461
 package.divider.horizontal=0.6
 package.divider.vertical=0.6845018450184502
 package.editor.height=364
 package.editor.width=674
-package.editor.x=577
-package.editor.y=61
+package.editor.x=779
+package.editor.y=-991
 package.frame.height=600
 package.frame.width=800
 package.numDependencies=2