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By a Senior Java Backend Engineer tired of boilerplate HTTP clients
RestTemplate is deprecated. Feign is heavy. Spring's @HttpExchange (backed by HttpServiceProxyFactory) is the modern, compile-time safe, AOT-friendly way to call external APIs.
📝 The Interface-Driven Appr...By a Senior Java Backend Engineer who's measured the tail latency so you don't have to
Spring Boot 3.3 made virtual threads first-class with spring.threads.virtual.enabled=true. It sounds like free concurrency, but production doesn't care about hype. Let's break down where Proje...
By a Senior Java Backend Engineer who's shipped more parking systems than I care to admit
Let's cut through the tutorial noise. Most "Parking Lot LLD" guides you'll find online give you a toy implementation that breaks the moment you add concurrency, a new vehicle type, or a pric...
As applications grow and datasets become larger, retrieving all data in a single API call becomes impractical. To handle large datasets efficiently and improve performance, APIs employ pagination techniques. Pagination allows clients to fetch data in smaller, manageable chunks called pages.
In this blog post, we'll explore various API pagination techn...
The @Override annotation in Java is a widely used feature that enhances code readability, safety, and maintainability. Although it may seem straightforward at first glance, understanding its internal workings, proper usage, and potential pitfalls can significantly improve your Java programming skills.
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