Core Java
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A Guide to Exporting and Backing Up H2 Databases
Data protection is a critical aspect of application development. Applications that rely on embedded databases, such as the H2 Database…
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The Post-Quantum Security Timeline for Java: JEP 496, JEP 527, and What Teams Should Do Now
If you manage Java services that handle sensitive data, 2026 is a year that deserves your attention. Not because quantum…
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jadx Decompile Classes Tutorial
Reverse engineering compiled artifacts is an essential practice in debugging, interoperability, and security analysis. Tools such as jadx enable us…
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GraalVM Native Image vs Project Leyden: Two Answers to the Same Cold-Start Problem
Leyden’s AOT approach is fundamentally different from GraalVM’s closed-world assumption. Here is what architects actually need to know to choose…
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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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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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Kotlin in 2025–2026: The K2 Era and the Rise of True Multiplatform Development
Kotlin has always positioned itself as a pragmatic language—concise, safe, and deeply integrated with the JVM ecosystem. However, the latest…
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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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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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