Javarevisited

“Javarevisited” is a valuable resource that delves into various aspects of Java programming, offering insights and tutorials to enhance Java developers’ skills. The content covers a wide range of topics, including Java best practices, coding techniques, and in-depth explanations of Java concepts. With a focus on practical applications and real-world scenarios, “Javarevisited” aims to provide Java enthusiasts with the knowledge and tools needed to excel in their programming endeavors. Whether you are a beginner looking to learn Java or an experienced developer seeking to deepen your understanding, “Javarevisited” offers a wealth of information to support your Java programming journey.

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I Tried 20+ AI Coding Tools: Here Are My Top 5 Recommendations for 2026

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From Claude Code to Codex to GitHub Copilot? Which is the best AI Coding tool? Hello friends, I’ve spent the last six months testing nearly every AI coding tool on the market. From Claude Code to Git...

The Ultimate Backend Developer Roadmap (2026 Edition)

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Backend development is simple, you just need to learn these.. Continue reading on Javarevisited

Spring Boot for Beginners — Part 8: Understanding Spring Profiles and Environment Management

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In the previous article, we learned how Spring Boot stores configuration using application.properties, YAML files, and environment… Continue reading on Javarevisited

I Thought More Database Connections Meant Better Performance. I Was Wrong.

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Lessons from my first real infrastructure optimization in a microservices platform. Continue reading on Javarevisited

Understanding Java Garbage Collection Beyond the Basics: A Production-Focused Perspective

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As Java developers, we often say that memory management is handled automatically by the JVM. That statement is true, but it can also create a dangerous comfort zone. Garbage Collection is not somethin...

Java Profiling: How Developers Find Real Performance Bottlenecks

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A practical guide to CPU, memory, thread, GC, and production-level performance analysis As Java developers, we often focus on writing clean code, designing APIs, building integrations, and making sur...

Claude Code Went From Chaos to Superpower: The Engineering Techniques That Actually Make It Work

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How CLAUDE.md, Plan Mode, Hooks, Skills, and Sub-Agents transform Claude Code into a senior engineer that understands your project. Continue reading on Javarevisited

A smartDBA — tinystruct-based Agent

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Here is a video to demonstrate the capability of tinystruct framework. https://medium.com/media/b369b395260e24bf129facbdf6fb828c/href Basically, in this project, there are only 4 files: └─main ├─java ...

I Switched From LeetCode to AlgoMonster and Here’s What Happened

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For years, I believed the path to FAANG interviews was simple: grind LeetCode. Solve 100 problems. Then 200. Then 300. Eventually, the patterns would click, muscle memory would develop, and I’d be int...

Spring Boot for Beginners — Part 7: Mastering application.properties and YAML Configuration

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In the previous article, we learned how Spring manages objects using Beans. Continue reading on Javarevisited

Background Work, Push Topics, And Richer Notifications

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The work that happens while your app is not in the foreground has always been the fiddly part of mobile development, and Codename One’s… Continue reading on Javarevisited

Java 21 Pattern Matching for Switch: A Real Spring Boot Payment Example

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Trace one $1,500 payment from the browser into a Java 21 pattern-matching switch — record patterns, guard conditions, and sealed… Continue reading on Javarevisited