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Languages & runtimes · #java
Introducing SonarQube to a legacy Java codebase without blocking delivery: scope Quality Gate conditions to New Code, wire JaCoCo coverage, and verify the gate actually blocks CI.
How Hibernate's setFirstResult/setMaxResults really work, with a worked JPQL example, the collection fetch join trap (HHH000104), total counts, and when to switch to keyset pagination.
Learn how to use NetBeans’ built‑in profiler to quickly locate CPU hot spots in a Java application, with a concrete example, overview of CPU/Memory/Threads views, and practical notes on overhead and version compatibility.
A decision guide to Vert.x Event Bus delivery patterns — send, publish, and request — with a comparison table, backpressure and clustering trade-offs, and a runnable two-verticle validation example.
Learn how to create a Java Stream Collector that groups employees by department and computes average salary, with notes on thread‑safety and verification.
NetBeans treats pom.xml as the project and delegates builds to Maven directly. Here's how to align the IDE with CI, which files to gitignore, and the pitfalls that still bite.
Learn how to centralize dependency versions in a parent POM with <dependencyManagement>, see a concrete example, and understand its limits.
Learn how to register a custom MessageCodec in Vert.x Event Bus to send domain objects without JSON overhead, with a full example and pitfalls to avoid.
Learn how to eliminate duplicate login steps in Karate API tests by centralizing authentication with the callonce keyword, then verify the result with the HTML report.
sonarqube
hibernate
vertx
maven
karatelabs