Java
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Convert Word Documents to HTML in Java Using Apache POI
Converting Microsoft Word documents into HTML is a common requirement for web publishing, document storage, and content transformation systems. In…
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Understanding and Fixing Sonarās Serialization Warning in Java
When working with Java applications, especially in enterprise environments, static code analysis tools like Sonar often raise warnings related to…
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The Hidden Cost of Records: When Java Records Break Your Serialization, JPA, and Reflection-Heavy Code
Records are now a mainstream Java feature ā clean, concise, and genuinely useful. But the introductory tutorials skip the part…
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C# 13 & .NET 9 vs Java 25: The Feature Gap Has Closed ā Now What?
For decades, Java and C# traded punches on language features. In 2026, however, that fight looks a lot more like…
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Ways to Identify Your Apache Tomcat Server Version
Knowing the exact version of your Apache Tomcat server is essential for debugging, ensuring compatibility, applying security patches, and maintaining…
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RAG Architecture on the JVM: Building a Production-Ready Pipeline With LangChain4j
A practical walkthrough of embedding models, vector stores, retrieval strategies, prompt engineering, and evaluation ā without leaving the JVM. 1.…
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Java Time API: Converting Between Date and Instant
Working with dates and times is a common requirement in applications, especially when dealing with distributed systems, APIs, or databases.…
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Java’s Memory Model Is Not What You Think: The Gap Between the JMM Spec and the JIT’s Actual Guarantees
The Java Memory Model is formally specified. The JIT implements a superset of that spec in ways the spec permits…
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Structured Concurrency and the Death ofĀ CompletableFutureĀ Hell
What Java 21ā26’s concurrency model actually changes at the architecture level. Not a feature tour ā a genuine examination of…
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