diff --git a/Java/src/main/java/com/gildedrose/GildedRose.java b/Java/src/main/java/com/gildedrose/GildedRose.java
index 43e9ed84..da8a1994 100644
--- a/Java/src/main/java/com/gildedrose/GildedRose.java
+++ b/Java/src/main/java/com/gildedrose/GildedRose.java
@@ -7,6 +7,9 @@ class GildedRose {
         this.items = items;
     }
 
+    /**
+     * Update the quality of the items
+     */
     public void updateQuality() {
         for (Item item : items) {
             updateItemQuality(item);
@@ -15,6 +18,10 @@ class GildedRose {
         }
     }
 
+    /**
+     * Update the quality of the item
+     * @param item the item to update
+     */
     private void updateItemQuality(Item item) {
         if (isSpecialItem(item)) {
             increaseQuality(item);
@@ -26,12 +33,20 @@ class GildedRose {
         }
     }
 
+    /**
+     * Update the sellIn of the item
+     * @param item the item to update
+     */
     private void updateItemSellIn(Item item) {
         if (!item.name.equals("Sulfuras, Hand of Ragnaros")) {
             item.sellIn--;
         }
     }
 
+    /**
+     * Handle the expired item
+     * @param item the item to handle
+     */
     private void handleExpiredItem(Item item) {
         if (item.sellIn < 0) {
             if (item.name.equals("Aged Brie")) {
@@ -44,22 +59,39 @@ class GildedRose {
         }
     }
 
+    /**
+     * Check if the item is a special item
+     * @param item the item to check
+     * @return true if the item is a special item, false otherwise
+     */
     private boolean isSpecialItem(Item item) {
         return item.name.equals("Aged Brie") || item.name.equals("Backstage passes to a TAFKAL80ETC concert");
     }
 
+    /**
+     * Increase the quality of the item
+     * @param item the item to increase the quality
+     */
     private void increaseQuality(Item item) {
         if (item.quality < 50) {
             item.quality++;
         }
     }
 
+    /**
+     * Decrease the quality of the item
+     * @param item the item to decrease the quality
+     */
     private void decreaseQuality(Item item) {
         if (item.quality > 0 && !item.name.equals("Sulfuras, Hand of Ragnaros")) {
             item.quality--;
         }
     }
 
+    /**
+     * Handle the backstage passes
+     * @param item the item to handle
+     */
     private void handleBackstagePasses(Item item) {
         if (item.sellIn < 11) {
             increaseQuality(item);