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Core Java

Java JSON to POJO Conversion
JSON is a lightweight format used for data exchange between systems. In Java, mapping JSON to a POJO makes your…
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Core Java

Random Key, Value, and Entry in Java HashMap
In Java, HashMap is one of the most commonly used data structures for storing key-value pairs. However, unlike lists, a…
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Core Java

Supply Chain Security for Java Projects: SBOMs, Vulnerability Scanning, and Dependency Management
The software supply chain has become a primary attack vector for malicious actors. From the infamous Log4Shell vulnerability to sophisticated…
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Software Development

OpenTelemetry Deep Dive: Building Observable Systems from the Ground Up
Modern software systems are increasingly complex, with applications spanning multiple services, containers, and cloud platforms. When issues arise—and they inevitably…
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Software Development

The CQRS Pattern: Separating Reads from Writes for Scalable Architectures
Most systems start simple: one database, one model, straightforward CRUD operations. Then scale hits. Read queries slow down writes. Complex…
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