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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15 Must-Know Spring Boot Interview Questions with Detailed Answers

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Can You Answer These 15 Spring Boot Interview Questions? Hello friends, if you are preparing for your next Java interview and Job description mentioned about the Spring framework, then you should als...

Hello Interview vs Codemia.io ? Which Is Better for System Design Interview Prep in 2026?

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Which is better for System Design Interview Prep in 2026? Codemia.io or Hello Interview? Hello friends, If you’re preparing for a System Design interview in 2026, there are more resources than ever. ...

I Tried 30+ Free Blockchain Courses: Here Are My Top 8 Recommendations for 2026

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My Favorite free resources to learn Blockchain Technology for beginners and experienced developers Hello friends, Blockchain technology has matured significantly since the wild speculation years, and...

Health Data Without Fake Certainty

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A deep look at Codename One’s HealthKit, Health Connect, workout, nutrition, Bluetooth sensor, and simulator API, including the privacy rules that shape its unusual design. The hardest part of a heal...

On-Device AI and MCP on Every Port

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Codename One now exposes on-device vision, language, and LiteRT inference in the core, while a guarded loopback MCP transport lets an LLM inspect and drive real applications. There are two very diffe...

Let’s discuss a scenario-based question: What if a million people like this post at the same time?

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A scenario-based system design interview question — and how to solve it with Redis, Kafka, and eventual consistency Continue reading on Javarevisited

Interviewer: Explain the difference between FROM multiple tables and JOIN tables in MySQL.

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Many MySQL developers have encountered this debate during code reviews: Should you join tables using commas in the FROM clause, or should… Continue reading on Javarevisited

I Read 20+ Core Java Books: Here Are My Top 5 Recommendations for Beginners

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My Favorite Core Java Programming Books for Beginners and Junior Developers Java is one of the most in-demand programming languages in the world, and for good reason. Enterprise backends, Android app...

The Interview Question That Exposes Whether You Actually Understand Security

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One of these you can unlock. The other is a smoothie forever. “Encryption and hashing both scramble data. So why do we hash passwords instead of encrypting them?” The deceptively simple question that ...

My Manager Told Me I Wasn’t “Operating at Senior Level Yet.”

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My Manager Told Me I Wasn’t “Operating at Senior Level Yet.” I Had No Idea What That Meant. So I Went and Found Out. The feedback that sounds vague until you realize it’s actually extremely specific,...

How OAuth 2.0 Actually Works: A Simple Guide With Real-World Examples?

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A Quick guide of OAuth 2.0 for System Design Interview Continue reading on Javarevisited

Pure Codename One Text Editing Without Native Overlays

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Codename One can now edit text inside its lightweight component layer through a semantic text-input contract. EditField, RichTextArea, and… Continue reading on Javarevisited