diff --git a/Java/src/main/java/com/gildedrose/GildedRose.java b/Java/src/main/java/com/gildedrose/GildedRose.java
index 36220bf5..d61fc979 100644
--- a/Java/src/main/java/com/gildedrose/GildedRose.java
+++ b/Java/src/main/java/com/gildedrose/GildedRose.java
@@ -166,4 +166,114 @@ class GildedRose {
             }
         }
     }
+    
+    
+        public void updateQuality4() {
+        for (int i = 0; i < items.length; i++) {
+            if (!items[i].name.equals("Aged Brie")
+                    && !items[i].name.equals("Backstage passes to a TAFKAL80ETC concert")) {
+                if (items[i].quality > 0) {
+                    if (!items[i].name.equals("Sulfuras, Hand of Ragnaros")) {
+                        items[i].quality = items[i].quality - 1;
+                    }
+                }
+            } else {
+                if (items[i].quality < 50) {
+                    items[i].quality = items[i].quality + 1;
+
+                    if (items[i].name.equals("Backstage passes to a TAFKAL80ETC concert")) {
+                        if (items[i].sellIn < 11) {
+                            if (items[i].quality < 50) {
+                                items[i].quality = items[i].quality + 1;
+                            }
+                        }
+
+                        if (items[i].sellIn < 6) {
+                            if (items[i].quality < 50) {
+                                items[i].quality = items[i].quality + 1;
+                            }
+                        }
+                    }
+                }
+            }
+
+            if (!items[i].name.equals("Sulfuras, Hand of Ragnaros")) {
+                items[i].sellIn = items[i].sellIn - 1;
+            }
+
+            if (items[i].sellIn < 0) {
+                if (!items[i].name.equals("Aged Brie")) {
+                    if (!items[i].name.equals("Backstage passes to a TAFKAL80ETC concert")) {
+                        if (items[i].quality > 0) {
+                            if (!items[i].name.equals("Sulfuras, Hand of Ragnaros")) {
+                                items[i].quality = items[i].quality - 1;
+                            }
+                        }
+                    } else {
+                        items[i].quality = items[i].quality - items[i].quality;
+                    }
+                } else {
+                    if (items[i].quality < 50) {
+                        items[i].quality = items[i].quality + 1;
+                    }
+                }
+            }
+        }
+    }
+    
+    
+        public void updateQuality5() {
+        for (int i = 0; i < items.length; i++) {
+            if (!items[i].name.equals("Aged Brie")
+                    && !items[i].name.equals("Backstage passes to a TAFKAL80ETC concert")) {
+                if (items[i].quality > 0) {
+                    if (!items[i].name.equals("Sulfuras, Hand of Ragnaros")) {
+                        items[i].quality = items[i].quality - 1;
+                    }
+                }
+            } else {
+                if (items[i].quality < 50) {
+                    items[i].quality = items[i].quality + 1;
+
+                    if (items[i].name.equals("Backstage passes to a TAFKAL80ETC concert")) {
+                        if (items[i].sellIn < 11) {
+                            if (items[i].quality < 50) {
+                                items[i].quality = items[i].quality + 1;
+                            }
+                        }
+
+                        if (items[i].sellIn < 6) {
+                            if (items[i].quality < 50) {
+                                items[i].quality = items[i].quality + 1;
+                            }
+                        }
+                    }
+                }
+            }
+
+            if (!items[i].name.equals("Sulfuras, Hand of Ragnaros")) {
+                items[i].sellIn = items[i].sellIn - 1;
+            }
+
+            if (items[i].sellIn < 0) {
+                if (!items[i].name.equals("Aged Brie")) {
+                    if (!items[i].name.equals("Backstage passes to a TAFKAL80ETC concert")) {
+                        if (items[i].quality > 0) {
+                            if (!items[i].name.equals("Sulfuras, Hand of Ragnaros")) {
+                                items[i].quality = items[i].quality - 1;
+                            }
+                        }
+                    } else {
+                        items[i].quality = items[i].quality - items[i].quality;
+                    }
+                } else {
+                    if (items[i].quality < 50) {
+                        items[i].quality = items[i].quality + 1;
+                    }
+                }
+            }
+        }
+    }
+
+
 }