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Java Machine Coding: Building a Dependency Resolver with Topological Sort Dependency management is the backbone of build tools like Maven o
Java LLD: Designing a Kafka-Like Message Queue for Machine Coding Interviews Designing a high-performance message queue is a frequent requi
Cambiaste un campo en un DTO. Un rename inocente. Y de repente tienes 10 clases con errores de compilación, 3 tests rotos y un compañero preguntándote
AI can generate Java code in seconds. So why are many Java Backend freshers still failing interviews? In 2026, companies expect more than just work
A Quick note on the Java Angle Most Playwright content you'll find online is Node.js. The ecosystem, the examples, the tutorials - overwhelmingly Java
A couple of years ago, I wrote that The Builder pattern is a finite state machine!. A state machine consists of states and transitions between them. A
Most REST Assured tutorials show you a single given().when().then() against a sample API and call it done. That's fine for learning the syntax, but it
I added MCP (Model Context Protocol) to re:Money — my Quarkus + DynamoDB financial tracking app — in under 30 minutes. One dependency, a few annotatio
High-performance systems require both tuning and fast search. In this guide: ⚡ Java Performance Tuning Threading & concurrency Memory optimization
When working with strings in Java, a very common interview and real-world problem is: 👉 “How do you find the first non-repeated character in a string
PDF generation is a common requirement in enterprise applications, whether you're producing invoices, reports, contracts, or digital receipts. While J
What is MCP and Why Java Developers Should Care Every AI tutorial shows you how to build a chatbot. You give it a system prompt, connect it
Software has a language problem. Not "natural language vs. code" -- that one is well-understood. The harder problem is the distance between the langua
This article is intended for software architects, senior backend engineers, and platform engineers working on commercial Java systems where stacktrace
One of the quickest ways to make an impressive agent demo is to prepare a clever prompt. One of the quickest ways to make that same agent fall apart i
A senior engineer's deep dive into the guarantees, tradeoffs, and production gotchas of implementing strictly ordered Kafka consumers — and the hones
You Must Avoid Final Field Mutation - Inside Java Newscast #110 (10 min)🧫 https://nipafx.dev/inside-java-newscast-110/ Distributed Cache Invalidation
If you've ever tried to integrate an LLM into a Java application, you know the feeling. You send a prompt. You get back a string. Now what?
Introduction In part 1, we introduced our sample application. In parts 2-5, we measured Lambda function performance using different approac
As a Staff Engineer with over 11 years in mission-critical banking systems (HSBC, Santander), you’d think I’ve seen it all. When I began building the