If you’ve been programming Java for a while, you probably use List, Set, and Map every day. But let’s be honest: most developers barely scratch the surface of what the Java Collections API can really do.

Hello everyone,

In modern, microservices-oriented architectures, we want to keep components as independent as possible. When service A performs an action (e.g. registers a user), service B should respond to it (e.g. send a welcome email) without A needing to know from B directly.

Hello everyone,

The move to Spring Boot 4 is more than just a dependency update - it is a leap into a new era of application development. The base is Java 17+ and Jakarta EE 11, but the real gains lie in the Developer Experience (DX) and the reduction of boilerplate code.