- Java
Hexagonal Architecture with Java and Spring
The term “Hexagonal Architecture” has been around for a long time. Long enough that the primary source on this topic has been offline for a while and has only recently been rescued from the archives.

- Spring Boot
Mocking with (and without) Spring Boot
Mockito is a very popular library to support testing. It allows us to replace real objects with “mocks”, i.e. with objects that are not the real thing and whose behavior we can control within our test.

- Spring Boot
Bean Validation Anti-Patterns
Bean Validation is the de-facto standard for implementing validation logic in the Java ecosystem and it’s a great tool to have around.

- Spring Boot
Quick Guide to Building a Spring Boot Starter
There are certain cross-cutting concerns that we don’t want to implement from scratch for each Spring Boot application we’re building. Instead, we want to implement those features once and include them into any application as needed.

- Spring Boot
Building a Multi-Module Spring Boot Application with Gradle
The Spring Initializr is a great way to quickly create a Spring Boot application from scratch. It creates a single Gradle file that we can expand upon to grow our application.

- Spring Boot
Paging with Spring Boot
As a user of a web application we’re expecting pages to load quickly and only show the information that’s relevant to us.
