Core Java
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Hibernate @EmbeddedTable Explained
Hibernate has traditionally supported embedded objects through the @Embeddable and @Embedded annotations, allowing developers to model reusable value objects without…
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A Simple Java Image Viewer
This is my second post in the GIS series—a simple Java Swing Image Viewer that explores the math behind image…
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Records and Compact Constructors: Where Validation Logic Actually Belongs
Records hand you equals, hashCode, and toString for free. They don’t hand you immutability for free the moment an array…
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Implementing Authorization Using jCasbin
Modern applications require a robust security mechanism to ensure that users can access only the resources they are authorized to…
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Using Regular Expressions in Hibernate HQL
Regular expressions (Regex) are one of the most powerful ways to search and validate text, allowing developers to perform pattern…
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Understanding the Java Memory Model: Visibility, Ordering, and the Guarantees Most Developers Miss
Why the JMM is the invisible contract behind every concurrent Java program — and what breaks when you misread it.…
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Value Classes (JEP 401): When Records Aren’t Flat Enough for the JIT
How value classes differ from records — no identity, no heap header — where they outperform records in tight loops,…
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Zero-Trust Architecture for Backend Engineers: What It Actually Means Beyond the Marketing
A few years ago, securing a backend system was relatively straightforward. Applications lived inside a corporate network, databases sat behind…
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How the JVM Decides What to Compile: Inside the JIT Tier System and Profiling Pipeline
A conceptual walkthrough of C1, C2, tiered compilation, and why the JVM’s optimizer knows more about your code than you…
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