Fix checkstyle validations

abstract-factory/src/main/java/com/iluwatar/abstractfactory/App.java

@@ -95,20 +95,19 @@ public class App {
     this.army = army;
   }
 
+  public static class FactoryMaker {
+
+    private FactoryMaker() {
+    }
+
+    public enum KingdomType {
+      ELF, ORC
+    }
+
     /**
      * The factory of kingdom factories.
      */
-  public static class FactoryMaker {
-	    
-	private FactoryMaker() {}
-	
-	public enum KingdomType {
-	  ELF,
-	  ORC
-	}
-	  
     public static KingdomFactory makeFactory(KingdomType type) {
-
       switch (type) {
         case ELF:
           return new ElfKingdomFactory();
@@ -121,7 +120,7 @@ public class App {
   }
 
   /**
-   * Program entry point
+   * Program entry point.
    * 
    * @param args
    *          command line args

abstract-factory/src/test/java/com/iluwatar/abstractfactory/AbstractFactoryTest.java

@@ -25,12 +25,12 @@ package com.iluwatar.abstractfactory;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
-import org.junit.Before;
-import org.junit.Test;
-
 import com.iluwatar.abstractfactory.App.FactoryMaker;
 import com.iluwatar.abstractfactory.App.FactoryMaker.KingdomType;
 
+import org.junit.Before;
+import org.junit.Test;
+
 /**
  * Test for abstract factory
  */