Resolves checkstyle errors for feature-toggle fluentinterface flux flyweight front-controller (#1078)

* Reduces checkstyle errors in feature-toggle

* Reduces checkstyle errors in fluentinterface

* Reduces checkstyle errors in flux

* Reduces checkstyle errors in flyweight

* Reduces checkstyle errors in front-controller

flyweight/src/main/java/com/iluwatar/flyweight/AlchemistShop.java

@@ -23,16 +23,13 @@
 
 package com.iluwatar.flyweight;
 
+import java.util.Collections;
+import java.util.List;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.util.Collections;
-import java.util.List;
-
 /**
- * 
  * AlchemistShop holds potions on its shelves. It uses PotionFactory to provide the potions.
- * 
  */
 public class AlchemistShop {
 
@@ -42,31 +39,31 @@ public class AlchemistShop {
   private List<Potion> bottomShelf;
 
   /**
-   * Constructor
+   * Constructor.
    */
   public AlchemistShop() {
     PotionFactory factory = new PotionFactory();
     topShelf = List.of(
-            factory.createPotion(PotionType.INVISIBILITY),
-            factory.createPotion(PotionType.INVISIBILITY),
-            factory.createPotion(PotionType.STRENGTH),
-            factory.createPotion(PotionType.HEALING),
-            factory.createPotion(PotionType.INVISIBILITY),
-            factory.createPotion(PotionType.STRENGTH),
-            factory.createPotion(PotionType.HEALING),
-            factory.createPotion(PotionType.HEALING)
+        factory.createPotion(PotionType.INVISIBILITY),
+        factory.createPotion(PotionType.INVISIBILITY),
+        factory.createPotion(PotionType.STRENGTH),
+        factory.createPotion(PotionType.HEALING),
+        factory.createPotion(PotionType.INVISIBILITY),
+        factory.createPotion(PotionType.STRENGTH),
+        factory.createPotion(PotionType.HEALING),
+        factory.createPotion(PotionType.HEALING)
     );
     bottomShelf = List.of(
-            factory.createPotion(PotionType.POISON),
-            factory.createPotion(PotionType.POISON),
-            factory.createPotion(PotionType.POISON),
-            factory.createPotion(PotionType.HOLY_WATER),
-            factory.createPotion(PotionType.HOLY_WATER)
+        factory.createPotion(PotionType.POISON),
+        factory.createPotion(PotionType.POISON),
+        factory.createPotion(PotionType.POISON),
+        factory.createPotion(PotionType.HOLY_WATER),
+        factory.createPotion(PotionType.HOLY_WATER)
     );
   }
 
   /**
-   * Get a read-only list of all the items on the top shelf
+   * Get a read-only list of all the items on the top shelf.
    *
    * @return The top shelf potions
    */
@@ -75,7 +72,7 @@ public class AlchemistShop {
   }
 
   /**
-   * Get a read-only list of all the items on the bottom shelf
+   * Get a read-only list of all the items on the bottom shelf.
    *
    * @return The bottom shelf potions
    */
@@ -84,7 +81,7 @@ public class AlchemistShop {
   }
 
   /**
-   * Enumerate potions
+   * Enumerate potions.
    */
   public void enumerate() {
 

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

@@ -24,24 +24,22 @@
 package com.iluwatar.flyweight;
 
 /**
- * 
  * Flyweight pattern is useful when the program needs a huge amount of objects. It provides means to
  * decrease resource usage by sharing object instances.
- * <p>
- * In this example {@link AlchemistShop} has great amount of potions on its shelves. To fill the
+ *
+ * <p>In this example {@link AlchemistShop} has great amount of potions on its shelves. To fill the
  * shelves {@link AlchemistShop} uses {@link PotionFactory} (which represents the Flyweight in this
  * example). Internally {@link PotionFactory} holds a map of the potions and lazily creates new ones
  * when requested.
- * <p>
- * To enable safe sharing, between clients and threads, Flyweight objects must be immutable.
+ *
+ * <p>To enable safe sharing, between clients and threads, Flyweight objects must be immutable.
  * Flyweight objects are by definition value objects.
- * 
  */
 public class App {
 
   /**
-   * Program entry point
-   * 
+   * Program entry point.
+   *
    * @param args command line args
    */
   public static void main(String[] args) {

flyweight/src/main/java/com/iluwatar/flyweight/HealingPotion.java

@@ -27,9 +27,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 /**
- * 
- * HealingPotion
- *
+ * HealingPotion.
  */
 public class HealingPotion implements Potion {
 

flyweight/src/main/java/com/iluwatar/flyweight/HolyWaterPotion.java

@@ -27,9 +27,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 /**
- * 
- * HolyWaterPotion
- *
+ * HolyWaterPotion.
  */
 public class HolyWaterPotion implements Potion {
 

flyweight/src/main/java/com/iluwatar/flyweight/InvisibilityPotion.java

@@ -27,9 +27,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 /**
- * 
- * InvisibilityPotion
- *
+ * InvisibilityPotion.
  */
 public class InvisibilityPotion implements Potion {
 

flyweight/src/main/java/com/iluwatar/flyweight/PoisonPotion.java

@@ -27,9 +27,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 /**
- * 
- * PoisonPotion
- *
+ * PoisonPotion.
  */
 public class PoisonPotion implements Potion {
 

flyweight/src/main/java/com/iluwatar/flyweight/Potion.java

@@ -24,9 +24,7 @@
 package com.iluwatar.flyweight;
 
 /**
- * 
  * Interface for Potions.
- * 
  */
 public interface Potion {
 

flyweight/src/main/java/com/iluwatar/flyweight/PotionFactory.java

@@ -27,11 +27,9 @@ import java.util.EnumMap;
 import java.util.Map;
 
 /**
- * 
  * PotionFactory is the Flyweight in this example. It minimizes memory use by sharing object
  * instances. It holds a map of potion instances and new potions are created only when none of the
  * type already exists.
- * 
  */
 public class PotionFactory {
 

flyweight/src/main/java/com/iluwatar/flyweight/PotionType.java

@@ -24,9 +24,7 @@
 package com.iluwatar.flyweight;
 
 /**
- * 
  * Enumeration for potion types.
- *
  */
 public enum PotionType {
 

flyweight/src/main/java/com/iluwatar/flyweight/StrengthPotion.java

@@ -27,9 +27,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 /**
- * 
- * StrengthPotion
- *
+ * StrengthPotion.
  */
 public class StrengthPotion implements Potion {