move specific logic to backstage item

Java/README.md

@@ -28,7 +28,7 @@
 -[x] long method
 -[ ] plain logic
 -[ ] complex operations
--[ ] Item properties are public 
+-[x] Item properties are public 
 -[x] multiple access by index
 
 ## Refactoring actions
@@ -39,5 +39,5 @@
 -[x] extract boolean methods
 -[x] encapsulate methods
 -[ ] isolate specific logics
--[ ] move specific logic to backstage
+-[x] move specific logic to backstage
 -[x] replace items by specific objects in tests

Java/src/main/java/com/gildedrose/GildedRose.java

@@ -55,9 +55,6 @@ class GildedRose {
 
     private void increaseQuality(Item item) {
         item.increaseQuality();
-        if (item.name.equals(Backstage.BACKSTAGE)) {
-            item.increaseBackstageQuality();
-        }
     }
 
     private void updateSellIn(Item item) {

Java/src/main/java/com/gildedrose/item/Backstage.java

@@ -7,4 +7,17 @@ public class Backstage extends Item {
     public Backstage(int sellIn, int quality) {
         super(BACKSTAGE, sellIn, quality);
     }
+
+    @Override
+    public void increaseQuality() {
+        super.increaseQuality();
+
+        if (this.sellIn < 11 && this.quality < 50) {
+            super.increaseQuality();
+        }
+
+        if (this.sellIn < 6 && this.quality < 50) {
+            super.increaseQuality();
+        }
+    }
 }

Java/src/main/java/com/gildedrose/item/Item.java

@@ -26,14 +26,4 @@ public class Item {
     public void increaseQuality() {
         this.quality = this.quality + 1;
     }
-
-    public void increaseBackstageQuality() {
-        if (this.sellIn < 11 && this.quality < 50) {
-            this.increaseQuality();
-        }
-
-        if (this.sellIn < 6 && this.quality < 50) {
-            this.increaseQuality();
-        }
-    }
 }

Java/src/main/java/com/gildedrose/item/Sulfuras.java

@@ -7,10 +7,4 @@ public class Sulfuras extends Item {
     public Sulfuras(int sellIn, int quality) {
         super(SULFURAS, sellIn, quality);
     }
-
-    /*@Override
-    public void increaseQuality() {
-
-        super.increaseQuality();
-    }*/
 }