#354 Some clean up and show the difference between paid and free a bit more.

feature-toggle/src/main/java/com/iluwatar/featuretoggle/pattern/Service.java

@@ -2,10 +2,9 @@ package com.iluwatar.featuretoggle.pattern;
 
 import com.iluwatar.featuretoggle.user.User;
 
-/**
- * Created by joseph on 26/01/16.
- */
+
 public interface Service {
 
-    public String getWelcomeMessage(User user);
+    String getWelcomeMessage(User user);
+
 }

feature-toggle/src/main/java/com/iluwatar/featuretoggle/pattern/tieredversion/TieredFeatureToggleVersion.java

@@ -4,15 +4,12 @@ import com.iluwatar.featuretoggle.pattern.Service;
 import com.iluwatar.featuretoggle.user.User;
 import com.iluwatar.featuretoggle.user.UserGroup;
 
-/**
- * Created by joseph on 26/01/16.
- */
 public class TieredFeatureToggleVersion implements Service {
 
     @Override
     public String getWelcomeMessage(User user) {
         if(UserGroup.isPaid(user)){
-            return "You're amazing thanks for paying for this awesome software.";
+            return "You're amazing " + user.getName() + ". Thanks for paying for this awesome software.";
         }
 
         return "I suppose you can use this software.";

feature-toggle/src/main/java/com/iluwatar/featuretoggle/user/User.java

@@ -1,7 +1,14 @@
 package com.iluwatar.featuretoggle.user;
 
-/**
- * Created by joseph on 26/01/16.
- */
 public class User {
+
+    private String name;
+
+    public User(String name) {
+        this.name = name;
+    }
+
+    public String getName() {
+        return name;
+    }
 }

feature-toggle/src/main/java/com/iluwatar/featuretoggle/user/UserGroup.java

@@ -3,9 +3,6 @@ package com.iluwatar.featuretoggle.user;
 import java.util.ArrayList;
 import java.util.List;
 
-/**
- * Created by joseph on 26/01/16.
- */
 public class UserGroup {
 
     private static List<User> freeGroup = new ArrayList<>();