Added tests for monostate pattern

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

@@ -28,8 +28,8 @@ public class App {
   public static void main(String[] args) {
     LoadBalancer loadBalancer1 = new LoadBalancer();
     LoadBalancer loadBalancer2 = new LoadBalancer();
-    loadBalancer1.serverequest(new Request("Hello"));
-    loadBalancer2.serverequest(new Request("Hello World"));
+    loadBalancer1.serverRequest(new Request("Hello"));
+    loadBalancer2.serverRequest(new Request("Hello World"));
   }
 
 }

monostate/src/main/java/com/iluwatar/monostate/LoadBalancer.java

@@ -39,7 +39,7 @@ public class LoadBalancer {
     return lastServedId;
   }
 
-  public void serverequest(Request request) {
+  public void serverRequest(Request request) {
     if (lastServedId >= servers.size()) {
       lastServedId = 0;
     }

monostate/src/main/java/com/iluwatar/monostate/Server.java

@@ -25,7 +25,7 @@ public class Server {
     return port;
   }
 
-  public final void serve(Request request) {
+  public void serve(Request request) {
     System.out.println("Server ID " + id + " associated to host : " + getHost() + " and Port "
         + getPort() + " Processed request with value  " + request.value);
   }