I released five new sample lessons from my Test With Spring course: Introduction to Spock Framework

Domain Model

The Best Comments of March 2016

I think that the best part of writing a blog is to get comments from my readers. Because I have learned a lot from my readers, I want to “reward” the best comments, help you to learn new things, and (hopefully) encourage people to leave more

Domain-Driven Design Revisited

Recently I read a book titled Domain-Driven Design by Eric Evans. This wasn’t the first time I read this book but this time I realized that I had been totally wrong about domain-driven design. I thought that the domain model consists of entities

What I Learned This Week (Week 37/2013)

Each week I write a blog post which describes what I learned that week. I write these blog posts for two reasons. First, I want to keep track of my personal development and writing regular blog posts is a great way to do it. Second, I want to share

What I Learned This Week (Week 35/2013)

Each week I write a blog post which describes what I learned that week. I write these blog posts for two reasons. First, I want to keep track of my personal development and writing regular blog posts is a great way to do it. Second, I want to share

The Biggest Flaw of Spring Web Applications

The developers who are using Spring Framework in their applications are good to talk about the benefits of dependency injection. Unfortunately, they are not so good to leverage its benefits such as the single responsible principle and separation of

The Five Characteristics of a Good Domain Model

I was trying to figure out a good definition of a domain model for this blog entry. All of my efforts led in to a somewhat clumsy explanation. However, I was able to find a good definition of a domain model from Wikipedia: A domain model in problem