Java
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Structured Concurrency and the Death of CompletableFuture Hell
What Java 21â26’s concurrency model actually changes at the architecture level. Not a feature tour â a genuine examination of…
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Kotlin 2.x vs Java 21+The Language Choice for New JVM Projects
The K2 compiler shipped. Multiplatform went stable. Java landed records, pattern matching, and virtual threads. The gap genuinely narrowed â…
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Spring AI Guide to MCP Elicitations
As AI systems become more interactive, handling incomplete or ambiguous user input becomes critical for building reliable applications. MCP elicitations…
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Spring Boot 4 vs. 3: What Actually Changed
The migration guides list dozens of changes. Most articles rehash the changelog. This piece focuses on the three changes that…
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Hibernate 6 vs. Spring Data JDBC vs. jOOQ. Picking Your Persistence Strategy for the Virtual-Thread Era
JDBC is still blocking. Hibernate 6 added reactive support through Vert.x. jOOQ is reviewing its ThreadLocal usage for Loom compatibility.…
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Sealed Classes and Exhaustive Pattern Matching: How They Change API Design, Not Just Syntax
Both features have been stable since Java 17 and 21. Most articles show the syntax. Almost none explain how they…
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Java Module System in 2026: Still Ignored, Still Relevant
JPMS shipped with Java 9 in 2017. Nearly a decade later, enterprise adoption remains stubbornly low. This is not a…
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The Object Allocation Tax: Why Your Java Service Is 40% GC and How the JIT’s Escape Analysis Both Helps and Misleads You
A ground-level look at how HotSpot C2 decides between scalar replacement and heap allocation, the everyday patterns that silently defeat…
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OpenRewrite: The Automated Migration Tool That’s Quietly Changing How Teams Upgrade Java
It started at Netflix, migrated the Jakarta EE TCK, and is now the dominant automation tool for Java modernization according…
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