Clean Code
![[EN] Spring Boot 4 & Resilience4j: Error handling can be so elegant](/images/Curcuit-Breaker-Spring-Boot4-Header.jpeg)
[EN] Spring Boot 4 & …
The year is 2025. Spring Boot 4 is here, and we no longer use deprecated RestTemplate calls. We combine the new Declarative HTTP Client feature with the proven Circuit Breaker Pattern and refine it with a Retry strategy.
![[EN] Collections hacks: 10 tricks that will instantly turn you into a Java pro](/images/CollectionHacks_BlogHeader.png)
[EN] Collections hacks: …
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.
![[EN] Why senior engineers almost never write `!= null`](/images/Dont-use-not-equals-null.png)
[EN] Why senior engineers …
Hello everyone,
If you’ve been around the Java world for a while, you know the picture: your code is littered with defensive queries like: