---
title: "Discussion on \"Core Java Fundamentals for Interviews\" | Hashnode"
description: "Discussion on \"Core Java Fundamentals for Interviews\". Core OOP Concepts, Java 8+ Features, Multithreading & Concurrency, and System Design"
url: "https://hashnode.com/posts/core-java-fundamentals-for-any-interviews/68661e85c712452723aca647"
---

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# [Core Java Fundamentals for Interviews](https://huanganni.hashnode.dev/core-java-fundamentals-for-any-interviews?utm_source=hashnode&utm_medium=feed)

Core OOP Concepts, Java 8+ Features, Multithreading & Concurrency, and System Design

Jul 3, 2025 · 3 min read · huanganni.hashnode.dev  
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-   [#java](https://hashnode.com/tag/java)
-   [#java-interview-questions](https://hashnode.com/tag/java-interview-questions)
-   [#java8](https://hashnode.com/tag/java8)
-   [#java-8-features](https://hashnode.com/tag/java-8-features)
-   [#oop-design-principles](https://hashnode.com/tag/oop-design-principles)
-   [#multithreading](https://hashnode.com/tag/multithreading)
-   [#system-design](https://hashnode.com/tag/system-design)
-   [#interview-preparations](https://hashnode.com/tag/interview-preparations)
-   [#java-programming](https://hashnode.com/tag/java-programming)

## Written by

[Anni Huang](https://hashnode.com/@HuangAnni)

@HuangAnni · Singapore

  
[View profile](https://hashnode.com/@HuangAnni)

LLM Training Operation Specialist @ ByteDance | Ex-Master of IT in Business (AI track) at SMU

I’m Anni Huang, an AI researcher-in-training currently at ByteDance, specializing in LLM training operations with a coding focus. I bridge the gap between engineering execution and model performance, ensuring the quality, reliability, and timely delivery of large-scale training projects.

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