Java
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Core Java
Java Ahead-of-Time (AOT) Class Loading And Linking Example
Ahead-of-Time (AOT) Class Loading & Linking is an optimization technique introduced in modern Java runtimes to reduce application startup time…
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Core Java
Structured Concurrency: Why It Matters More Than Virtual Threads for Correctness
Virtual threads gave Java scale. Structured concurrency gives it correctness. Here is why the second half of Project Loom quietly…
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Core Java
Messaging with HiveMQ MQTT Client
The HiveMQ MQTT Client is a Java library that enables applications to communicate using the MQTT (Message Queuing Telemetry Transport)…
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Core Java
Understanding the Java JMOD File Format
With the introduction of the Java Platform Module System (JPMS) in Java 9, modularity became a core feature of Java.…
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Core Java
Converting Between Byte Arrays and Short Arrays in Java
This article demonstrates how to convert a byte array to a short array and convert a short array back to…
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Core Java
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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Core Java
C# 13 & .NET 9 vs Java 25: The Feature Gap Has Closed — 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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Enterprise Java
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 — without leaving the JVM. 1.…
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Enterprise Java
Spring Boot 4 vs. 3: What Actually Changed
The migration guides list dozens of changes. Most articles rehash the changelog. This piece focuses on the three changes that…
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