From 9482acd29c790759aa5c1de6a49ece23d2d8e4a7 Mon Sep 17 00:00:00 2001
From: doxxx <doxxx93@gmail.com>
Date: Tue, 10 Oct 2023 15:55:05 +0900
Subject: [PATCH] Refactor arithmetic operations

---
 .../main/java/com/gildedrose/AgedBrieUpdateStrategy.java  | 6 +++---
 .../com/gildedrose/BackstagePassesUpdateStrategy.java     | 8 ++++----
 .../java/com/gildedrose/StandardItemUpdateStrategy.java   | 4 ++--
 3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/Java/src/main/java/com/gildedrose/AgedBrieUpdateStrategy.java b/Java/src/main/java/com/gildedrose/AgedBrieUpdateStrategy.java
index fc4d7e61..10b3826a 100644
--- a/Java/src/main/java/com/gildedrose/AgedBrieUpdateStrategy.java
+++ b/Java/src/main/java/com/gildedrose/AgedBrieUpdateStrategy.java
@@ -4,14 +4,14 @@ public class AgedBrieUpdateStrategy implements ItemUpdateStrategy {
     @Override
     public void update(Item item) {
         if (item.quality < 50) {
-            item.quality = item.quality + 1;
+            item.quality += 1;
         }
 
-        item.sellIn = item.sellIn - 1;
+        item.sellIn -= 1;
 
         if (item.sellIn < 0) {
             if (item.quality < 50) {
-                item.quality = item.quality + 1;
+                item.quality += 1;
             }
         }
     }
diff --git a/Java/src/main/java/com/gildedrose/BackstagePassesUpdateStrategy.java b/Java/src/main/java/com/gildedrose/BackstagePassesUpdateStrategy.java
index 671fa3ac..0c54454b 100644
--- a/Java/src/main/java/com/gildedrose/BackstagePassesUpdateStrategy.java
+++ b/Java/src/main/java/com/gildedrose/BackstagePassesUpdateStrategy.java
@@ -4,22 +4,22 @@ public class BackstagePassesUpdateStrategy implements ItemUpdateStrategy {
     @Override
     public void update(Item item) {
         if (item.quality < 50) {
-            item.quality = item.quality + 1;
+            item.quality += 1;
 
             if (item.sellIn < 11) {
                 if (item.quality < 50) {
-                    item.quality = item.quality + 1;
+                    item.quality += 1;
                 }
             }
 
             if (item.sellIn < 6) {
                 if (item.quality < 50) {
-                    item.quality = item.quality + 1;
+                    item.quality += 1;
                 }
             }
         }
 
-        item.sellIn = item.sellIn - 1;
+        item.sellIn -= 1;
 
         if (item.sellIn < 0) {
             item.quality = 0;
diff --git a/Java/src/main/java/com/gildedrose/StandardItemUpdateStrategy.java b/Java/src/main/java/com/gildedrose/StandardItemUpdateStrategy.java
index 50d8224e..85372521 100644
--- a/Java/src/main/java/com/gildedrose/StandardItemUpdateStrategy.java
+++ b/Java/src/main/java/com/gildedrose/StandardItemUpdateStrategy.java
@@ -5,10 +5,10 @@ public class StandardItemUpdateStrategy implements ItemUpdateStrategy {
     public void update(Item item) {
         item.sellIn -= 1;
         if (item.quality > 0) {
-            item.quality = item.quality - 1;
+            item.quality -= 1;
         }
         if (item.sellIn < 0 && item.quality > 0) {
-            item.quality = item.quality - 1;
+            item.quality -= 1;
         }
     }
 }