Spec-Driven Development with AI: Write the Spec First, Then Prompt the Implementation

Vibe coding gets a feature built. Spec-driven development gets a system built correctly. The difference is whether you hand an…

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Fixing PatternSyntaxException: Unclosed Character Class

In Java, regular expressions are widely used for pattern matching, validation, searching, and string manipulation. The Java Regex API provides…

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Rust in the Enterprise: A Java Team’s Honest Assessment After 18 Months of Production Use

We are a Java shop. Have been for twelve years. We know Spring Boot, we know how to tune G1GC,…

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Go 1.24 vs Java 25 for Microservices: An Updated Honest Benchmark in 2026

Most Go vs Java comparisons you find online predate virtual threads, generational ZGC, and Go’s Swiss Tables. This is the…

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Java IPv4 to IPv6 Conversion

With the growing demand for IP addresses, IPv6 was introduced as a successor to IPv4. While IPv4 uses 32-bit addresses,…

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Virtual Threads Two Years In: Production War Stories, the Pinning Edge Cases, and What JDK 25 Fixed

Java 21 shipped virtual threads in September 2023. Two-plus years of production data later, the picture is more nuanced than…

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HTMX in a Java World: Building Hypermedia APIswith Spring Boot and Thymeleaf

Tired of wiring up React for a search box? HTMX gives your Thymeleaf templates superpowers — live search, inline edits,…

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Spring Boot 4 Migration: Breaking Changes, New Defaults,and What Actually Broke

Spring Boot 4 dropped in November 2025 alongside Spring Framework 7.0. It is the most significant release since the jump…

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Building Read-Write Database Routing in Spring Boot with JPA

Enterprise applications often require the separation of database workloads to improve performance and scalability. Read operations can be directed to…

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