Looking into the JDK 16 vector API

JDK 16 comes with the incubator module jdk.incubator.vector (JEP 338) which provides a portable API for expressing vector computations. In…

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Kotlin dependency injection with Koin

Dependency injection is a common technique in today’s software design. With dependency injection we pass dependencies to a component instead…

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REST API Design: Dealing with concurrent updates

Concurrency control can be an important part of a REST API, especially if you expect concurrent update requests for the…

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Validation in Spring Boot applications

Validation in Spring Boot applications can be done in many different ways. Depending on your requirements some ways might fit…

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REST: Partial updates with PATCH

In previous posts we learned how to update/replace resources using the HTTP PUT operation. We also learned about the differences…

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HATEOAS without links

Yes, I know this title sounds stupid, but could not find something that fits better. So let me explain why…

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Validation in Kotlin: Valiktor

Bean Validation is the Java standard for validation and can be used in Kotlin as well. However, there are also…

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REST: Sorting collections

When building a RESTful API we often want to give consumers the option to order collections in a specific way…

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Improving Spring Mock-MVC tests

Spring Mock-MVC can be a great way to test Spring Boot REST APIs. Mock-MVC allows us to test Spring-MVC request…

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