diff --git a/Java/src/main/java/com/gildedrose/behavior/quality/DefaultQualityBehavior.java b/Java/src/main/java/com/gildedrose/behavior/quality/DefaultQualityBehavior.java
new file mode 100644
index 00000000..ffa72474
--- /dev/null
+++ b/Java/src/main/java/com/gildedrose/behavior/quality/DefaultQualityBehavior.java
@@ -0,0 +1,22 @@
+package com.gildedrose.behavior.quality;
+
+import com.gildedrose.Item;
+
+public class DefaultQualityBehavior implements QualityBehavior {
+
+    public static final int MAX_QUALITY_LEVEL = 50;
+    public static final int MIN_QUALITY_LEVEL = 0;
+
+    @Override
+    public void processQualityUpdate(Item item) {
+        decreaseQuality(item);
+    }
+
+    private void decreaseQuality(Item item) {
+        item.quality = limitQuality(item.quality - 1);
+    }
+
+    private int limitQuality(int newQuality) {
+        return Math.max(MIN_QUALITY_LEVEL, Math.min(MAX_QUALITY_LEVEL, newQuality));
+    }
+}
diff --git a/Java/src/main/java/com/gildedrose/behavior/quality/QualityBehavior.java b/Java/src/main/java/com/gildedrose/behavior/quality/QualityBehavior.java
new file mode 100644
index 00000000..60b8bc97
--- /dev/null
+++ b/Java/src/main/java/com/gildedrose/behavior/quality/QualityBehavior.java
@@ -0,0 +1,8 @@
+package com.gildedrose.behavior.quality;
+
+import com.gildedrose.Item;
+
+public interface QualityBehavior {
+
+    void processQualityUpdate(Item item);
+}