Formatted all files to the same standard

decorator/src/main/java/com/iluwatar/App.java

@@ -1,24 +1,24 @@
 package com.iluwatar;
 
 /**
- *
+ * 
  * Decorator pattern is more flexible alternative to subclassing. The decorator
  * class implements the same interface as the target and uses composition to
  * "decorate" calls to the target.
- *
+ * 
  */
 public class App {
 
-    public static void main(String[] args) {
+	public static void main(String[] args) {
 
-        System.out.println("A simple looking troll approaches.");
-        Hostile troll = new Troll();
-        troll.attack();
-        troll.fleeBattle();
+		System.out.println("A simple looking troll approaches.");
+		Hostile troll = new Troll();
+		troll.attack();
+		troll.fleeBattle();
 
-        System.out.println("\nA smart looking troll surprises you.");
-        Hostile smart = new SmartTroll(new Troll());
-        smart.attack();
-        smart.fleeBattle();
-    }
+		System.out.println("\nA smart looking troll surprises you.");
+		Hostile smart = new SmartTroll(new Troll());
+		smart.attack();
+		smart.fleeBattle();
+	}
 }

decorator/src/main/java/com/iluwatar/Hostile.java

@@ -3,6 +3,7 @@ package com.iluwatar;
 public interface Hostile {
 
 	void attack();
+
 	void fleeBattle();
-	
+
 }

decorator/src/main/java/com/iluwatar/SmartTroll.java

@@ -7,7 +7,7 @@ public class SmartTroll implements Hostile {
 	public SmartTroll(Hostile decorated) {
 		this.decorated = decorated;
 	}
-	
+
 	@Override
 	public void attack() {
 		System.out.println("The troll throws a rock at you!");
@@ -19,5 +19,5 @@ public class SmartTroll implements Hostile {
 		System.out.println("The troll calls for help!");
 		decorated.fleeBattle();
 	}
-	
+
 }

decorator/src/main/java/com/iluwatar/Troll.java

@@ -5,9 +5,9 @@ public class Troll implements Hostile {
 	public void attack() {
 		System.out.println("The troll swings at you with a club!");
 	}
-	
+
 	public void fleeBattle() {
 		System.out.println("The troll shrieks in horror and runs away!");
 	}
-	
+
 }