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Core Java

TheĀ LiesĀ Your JVM Profiler Tells You: Safepoints, Biased Sampling, and WhyYour Hotspot Analysis Is Wrong
You ran your profiler. You found the hotspot. You optimised it. Performance didn’t change. Here’s the precise technical reason why…
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Software Development

Temporal Coupling:TheĀ Hidden DependencyĀ That Breaks Systems
Race conditions, event ordering failures, and the “works on my machine” mystery all share the same root cause ā a…
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Core Java

Java Implementation of Frog River One
This article explains the Frog River One problem and explores different approaches to solve it, comparing their efficiency and practicality…
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Enterprise Java

Getting Started with Distributed Job Scheduling Using ElasticJob
ElasticJob is a distributed job scheduling framework for Java within the Apache ShardingSphere ecosystem. It uses Apache ZooKeeper for distributed…
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Software Development

The Language Rewrite Question: When Migration Actually Pays Off ā and When It Doesn’t
Discord, Figma, Shopify, and Dropbox all documented their rewrites with real outcomes. There is now enough evidence to build a…
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Enterprise Java

Fixing Spring Boot Error āThe Elements Were Left Unboundā
Spring Boot provides a flexible way to manage application configuration using external property files. However, when these properties are bound…
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Enterprise Java

Understanding subscribe() and assign() Methods of KafkaConsumer
Apache Kafka consumers can read messages from topics using two important methods: subscribe() and assign(). Understanding how these approaches differ…
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Enterprise Java

Choosing a Java LLM Integration Strategy in 2026: Spring AI 1.1Ā vsĀ LangChain4jĀ vsĀ Direct API Calls
Three genuinely different architectural postures ā and a practical framework to help your team choose the right one before you…
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