From 36605dc56cd20fb14c457d0b4d40af21b60049fe Mon Sep 17 00:00:00 2001
From: Yossri Ghabri <yossrighabri@gmail.com>
Date: Tue, 25 Nov 2025 15:56:30 +0100
Subject: [PATCH] Add base GildedItem abstract class for item hierarchy

---
 .../java/com/gildedrose/items/GildedItem.java | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 Java/src/main/java/com/gildedrose/items/GildedItem.java

diff --git a/Java/src/main/java/com/gildedrose/items/GildedItem.java b/Java/src/main/java/com/gildedrose/items/GildedItem.java
new file mode 100644
index 00000000..23c40c3e
--- /dev/null
+++ b/Java/src/main/java/com/gildedrose/items/GildedItem.java
@@ -0,0 +1,26 @@
+package com.gildedrose.items;
+
+import com.gildedrose.Item;
+
+public abstract class GildedItem {
+
+    protected Item item;
+
+    public GildedItem(Item item) {
+        this.item = item;
+    }
+
+    public abstract void updateQuality();
+
+    protected void decreaseQuality(int amount) {
+        item.quality = Math.max(0, item.quality - amount);
+    }
+
+    protected void increaseQuality(int amount) {
+        item.quality = Math.min(50, item.quality + amount);
+    }
+
+    protected void decreaseSellIn() {
+        item.sellIn--;
+    }
+}