Core Java
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Implementing gRPC to REST Gateway in Java
gRPC is an efficient binary protocol ideal for internal microservices communication. However, many clients and partners still expect RESTful APIs…
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Hibernate Panache Example
Hibernate ORM with Panache is a modern, simplified way to use Hibernate in Java applications. Built into the Quarkus framework,…
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Count Character Occurrences in Java Using HashMap
Counting the occurrences of characters in a string is a problem that can be solved efficiently using a HashMap data…
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Migrating Legacy Java Swing Applications to Modern JavaFX
Java Swing has been the backbone of many enterprise desktop applications for decades. But as expectations for richer, more responsive…
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Eclipse OpenJ9 JVM Guide
Eclipse OpenJ9 JVM is a fast, efficient, and memory-optimized open-source Java Virtual Machine designed for cloud and enterprise applications. Let…
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Java Image Collision Detection Example
Collision detection is a key part of interactive graphics applications, especially in 2D games and simulations. In Java, developers can…
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Java Protobuf Maps Example
Protocol Buffers (Protobuf) is a language-neutral, platform-neutral extensible mechanism for serializing structured data. Let us delve into understanding how Java…
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Securing Sensitive Data in Java Applications with JEP 411 (Foreign Function & Memory API)
Avoiding Leaks When Handling Native Memory and Secrets Handling sensitive data—encryption keys, passwords, tokens—has always been a delicate challenge in…
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Logback Conditional Logging Example
Logging is a critical part of any production-grade application. It helps in debugging, monitoring, and analyzing runtime behavior. However, not…
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