Java
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Enterprise Java
Resolving the “Validation Failed for Query for Method” Error in Spring Data JPA
This article explains how to diagnose and resolve the error “Validation failed for query for method” in Spring Data JPA.…
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Core Java
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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Core Java
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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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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