Blog Posts
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- hamza nassour
- October 5, 2025
In multi-threaded Java applications, ThreadLocal provides a way to give each thread its own separate copy of a variable. This means threads do not share data, thus avoiding synchronization issues. In this article, we explain what ThreadLocal is, how it works internally, and when to use it. We cover common
- hamza nassour
- September 24, 2025
Java 25 introduces several improvements, but one of the most developer-friendly updates is JEP 513: Flexible Constructor Bodies. This feature simplifies how constructors are written, making Java code cleaner, and easier to read. If you’ve ever found yourself writing awkward constructor boilerplate just to forward arguments or handle initialization/validation logic,
- hamza nassour
- August 25, 2025
Java 25 finalizes JEP 512: Compact Source Files and Instance Main Methods, a game-changing feature that dramatically reduces boilerplate code for simple programs. With this update, Java finally offers a beginner-friendly way to write code without the overhead of explicit classes, public static void main, or import statements—making the language
- hamza nassour
- March 31, 2025
- hamza nassour
- March 22, 2025
In our previous article on DelegatingFilterProxy, we explored how it locates the FilterChainProxy filter, which is registered as a bean in the Spring web application context. In this article, we will take a deep dive into what happens after DelegatingFilterProxy hands off the request to FilterChainProxy and how it orchestrates
- hamza nassour
- March 18, 2025
Spring Security relies on a critical component to integrate seamlessly with web applications: the DelegatingFilterProxy. This filter acts as a bridge between the Servlet world and Spring’s powerful dependency injection system, ensuring that security-related logic is managed within the Spring context. In this comprehensive guide, we’ll: By the end of