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Hardwood, the project Gunnar Morling kick-started handling of Parquet files in Java, reached version 1. Its multi-threaded approach and zero mandatory external dependencies promise a simpler, more efficient alternative to the Apache Parquet Java implementation. For now, the library supports just rea
Event-driven architecture promises scalability, but in Java-based real-time systems the tradeoffs only surface in production. Drawing on a Java/Kafka contact center platform handling 80k BHCC across 10k agents, this article details where the design breaks down—state management, partition limits, ded
This week's Java roundup for June 22nd, 2026, features news highlighting: the GA releases of Hardwood 1.0 and Endive 1.0; the June 2026 edition of Azul Payara; point releases of Quarkus, LangChain4j; the first beta release of WildFly 41; and introducing Eliya JDK and the Open Source Sustainability I
Back in 2006, the tech world had a favorite punching bag: Java. We joked about its sluggishness, its memory-hungry JVM, and its "Write Once, Run Anywhere" slogan that felt more like "Write Once, Debug Everywhere." Java wasn’t a joke because it was bad—it was a joke because it was a "Black Box." It w
Start with a simple schema: { "$schema": "https://json-schema.org/draft/2020-12/schema", "title": "Order", "type": "object", "required": ["id", "amount", "customer"], "properties": { "id": { "type": "string" }, "amount": { "type": "number" }, "customer": { "type": "object", "properties": { "email":
