Creating repositories that use the Java Persistence API is a cumbersome process that takes a lot of time and requires a lot of boilerplate code. We can eliminate some boilerplate code by following these steps: Create an abstract base repository class that provides CRUD operations for entities. Create the concrete repository class that extends the […] Read more

When we are writing integration tests for a function that saves information to the database, we have to verify that the correct information is saved to the database. If our application uses Spring Framework, we can use Spring Test DbUnit and DbUnit for this purpose. However, it is very hard to verify that the correct […] Read more

If we are writing integration tests for an application that uses Spring Framework, we can integrate DbUnit with the Spring testing framework by using Spring Test DbUnit. However, this integration is not problem free. Often we have to insert null values to the database before our tests are run or verify that the value saved […] Read more

Every developer must understand two things: Architecture design is necessary. Fancy architecture diagrams don’t describe the real architecture of an application. The real architecture is found from the code that is written by developers, and if we don’t design the architecture of our application, we will end up with an application that has more than […] Read more

Some time I read a blog titled: Finding your voice when writing a technical book. It reminded me that I have been writing this blog for four and half years, but I haven’t paid a lot of attention to my "voice". That is going to change right now. If I think about my past blog […] Read more