minor refactoring

src/main/java/com/zipcodewilmington/gildedrose/Inventory.java

     public void updateQuality() {
         for (int i = 0; i < items.length; i++) {
             if (!items[i].getName().equals("Aged Brie")
-                    && !items[i].getName().equals("Backstage passes to a TAFKAL80ETC concert")) {
-                if (items[i].getQuality() > 0) {
-                    if (!items[i].getName().equals("Sulfuras, Hand of Ragnaros")) {
-                        items[i].setQuality(items[i].getQuality() - 1);
-                    }
-                }
+                    && !items[i].getName().equals("Backstage passes to a TAFKAL80ETC concert")
+                    && !items[i].getName().equals("Sulfuras, Hand of Ragnaros")
+                    && items[i].getQuality() > 0) {
+                items[i].setQuality(items[i].getQuality() - 1);
+
+
             } else {
+
                 if (items[i].getQuality() < 50) {
                     items[i].setQuality(items[i].getQuality() + 1);
 
-                    if (items[i].getName() == "Backstage passes to a TAFKAL80ETC concert") {
+                    if (items[i].getName().equals("Backstage passes to a TAFKAL80ETC concert")) {
                         if (items[i].getSellIn() < 11) {
-                            if (items[i].getQuality() < 50) {
                                 items[i].setQuality(items[i].getQuality() + 1);
-                            }
                         }
-
-                        if (items[i].getSellIn() < 6) {
-                            if (items[i].getQuality() < 50) {
+                        if (items[i].getSellIn() < 6 && items[i].getQuality() < 50) {
                                 items[i].setQuality(items[i].getQuality() + 1);
-                            }
                         }
                     }
                 }
                             }
                         }
                     } else {
-                        items[i].setQuality(items[i].getQuality()
-                                - items[i].getQuality());
+                        items[i].setQuality(0);
                     }
                 } else {
                     if (items[i].getQuality() < 50) {
             }
         }
     }
-}
+}