Core Java
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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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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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Jackson deserialization using a multi-parameter constructor
JSON deserialization is a common requirement in modern applications that interact with APIs and external systems. Handling different object creation…
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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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Post-Quantum Cryptography in Java: What the NIST Standards Mean for Your TLS, JWT, and Key Management Code
In August 2024, NIST finalized the world’s first post-quantum cryptography standards. JDK 24 and 25 have already begun shipping the…
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