Core Java
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TheĀ LiesĀ Your JVM Profiler Tells You: Safepoints, Biased Sampling, and WhyYour Hotspot Analysis Is Wrong
You ran your profiler. You found the hotspot. You optimised it. Performance didn’t change. Here’s the precise technical reason why…
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Java Implementation of Frog River One
This article explains the Frog River One problem and explores different approaches to solve it, comparing their efficiency and practicality…
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HTTP/3 Comes to theĀ Java HTTP Client
What JEP 517’s QUIC-based transport actually means for your microservices, your latency, and your connection handling ā explained simply. 1.…
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Fixing Java ClassCastException for Comparable Objects
This article explains why Java throws a ClassCastException when using ordered collections like TreeSet or TreeMap with objects that are…
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Project Panama’s FFM API in Production: Replacing JNI Without Writing C Wrappers
The Foreign Function & Memory API is standard as of Java 22. JNI is now officially the legacy path. Most…
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NATS vs. Kafka vs. Redis Streams for Java Microservices: When “Simpler” Actually Wins
Kafka is the default answer for event-driven microservices. It’s also massively overused. NATS and Redis Streams solve a large category…
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5 Latest Java Trends to Keep YourĀ Eye OnĀ in 2026
JDK 26 ships on March 17. Project Valhalla just entered preview. Post-quantum TLS is targeted for JDK 27. The JVM…
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Formatting Java Code with Prettier
Consistent code formatting is crucial for readability, maintainability, and collaboration in Java projects. While IDEs like IntelliJ IDEA offer built-in…
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Structured Concurrency in Java: Why It’s Better Than CompletableFutureĀ ā and What It Still Can’t Do
Six previews in, the API is nearly stable. But the community debate about whether it truly replaces CompletableFuture ā or…
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