diff --git a/cqrs/src/main/java/com/iluwatar/cqrs/app/App.java b/cqrs/src/main/java/com/iluwatar/cqrs/app/App.java
index c472e2772..0fac42e69 100644
--- a/cqrs/src/main/java/com/iluwatar/cqrs/app/App.java
+++ b/cqrs/src/main/java/com/iluwatar/cqrs/app/App.java
@@ -1,10 +1,54 @@
 package com.iluwatar.cqrs.app;
 
+import java.math.BigInteger;
+import java.util.List;
+
+import com.iluwatar.cqrs.commandes.CommandServiceImpl;
+import com.iluwatar.cqrs.commandes.ICommandService;
+import com.iluwatar.cqrs.dto.Author;
+import com.iluwatar.cqrs.dto.Book;
+import com.iluwatar.cqrs.queries.IQueryService;
+import com.iluwatar.cqrs.queries.QueryServiceImpl;
+import com.iluwatar.cqrs.util.HibernateUtil;
+
+/**
+ * This is the entry of the application
+ *
+ */
 public class App {
-
+  /**
+   * Program entry point
+   * 
+   * @param args
+   *          command line args
+   */
   public static void main(String[] args) {
-    // TODO Auto-generated method stub
+    ICommandService commands = new CommandServiceImpl();
 
+    // Create Authors and Books using CommandService
+    commands.authorCreated("eEvans", "Eric Evans", "eEvans@email.com");
+    commands.authorCreated("jBloch", "Joshua Bloch", "jBloch@email.com");
+    commands.authorCreated("mFowler", "Martin Fowler", "mFowler@email.com");
+
+    commands.bookAddedToAuthor("Domain-Driven Design", 60.08, "eEvans");
+    commands.bookAddedToAuthor("Effective Java", 40.54, "jBloch");
+    commands.bookAddedToAuthor("Java Puzzlers", 39.99, "jBloch");
+    commands.bookAddedToAuthor("Java Concurrency in Practice", 29.40, "jBloch");
+    commands.bookAddedToAuthor("Patterns of Enterprise Application Architecture", 54.01, "mFowler");
+    commands.bookAddedToAuthor("Domain Specific Languages", 48.89, "mFowler");
+    commands.authorNameUpdated("eEvans", "Eric J. Evans");
+
+    IQueryService queries = new QueryServiceImpl();
+
+    // Query the database using QueryService
+    Author nullAuthor = queries.getAuthorByUsername("username");
+    Author eEvans = queries.getAuthorByUsername("eEvans");
+    BigInteger jBlochBooksCount = queries.getAuthorBooksCount("jBloch");
+    BigInteger authorsCount = queries.getAuthorsCount();
+    Book dddBook = queries.getBook("Domain-Driven Design");
+    List<Book> jBlochBooks = queries.getAuthorBooks("jBloch");
+
+    HibernateUtil.getSessionFactory().close();
   }
 
 }