JavaGuide

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📚 Address: javaguide.cn

GitHub | Gitee

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🧭 Project Related

• Project Introduction
• Usage Suggestions
• Contribution Guidelines
• Frequently Asked Questions

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☕ Java

Basics

Knowledge Points/Interview Questions Summary (Must-read 👍):

• Part 1
• Part 2
• Part 3

Important Concepts Explained:

• Why is there only value passing in Java?
• Java Serialization
• Generics & Wildcards
• Reflection
• Proxy Pattern
• BigDecimal
• Unsafe Class
• SPI Mechanism
• Syntactic Sugar

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Collections

Knowledge Points/Interview Questions Summary:

• Summary of Common Knowledge Points & Interview Questions in Java Collections (Part 1)
• Summary of Common Knowledge Points & Interview Questions in Java Collections (Part 2)
• Summary of Common Knowledge Points & Interview Questions in Java Collections (Part 3)

Important Concepts Explained:

• Detailed Explanation of HashMap
• ArrayList vs LinkedList
• Concurrent Collections (ConcurrentHashMap, CopyOnWriteArrayList, etc.)
• Set, List, and Map Differences
• Fail-Fast vs Fail-Safe
• Iterator vs Iterable

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🧵 Multithreading & Concurrency

• Java Thread Basics
• Thread Safety Concepts
• ThreadPoolExecutor Details
• Volatile Keyword Explained
• Synchronized vs Lock

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🔧 JVM

• JVM Architecture
• Memory Model & GC
• Garbage Collection Algorithms
• Class Loading Process

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🌱 Spring & Frameworks

• Spring Overview
• Spring MVC
• Spring Boot
• Spring Cloud

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🗃️ Database

• MySQL Optimization
• SQL Performance Tips
• Redis Basics
• Redis Data Types

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📦 System Design

• CAP Theorem
• High Availability & Scalability
• Distributed Transactions
• Design Patterns

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✅ Contributing

We welcome contributions! Please refer to the Contribution Guidelines to get started.

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⭐ Star History

Thanks to all who have starred ⭐ and shared 💬 this project! Your support keeps JavaGuide growing!

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If you found this helpful, don’t forget to star 🌟 JavaGuide on GitHub!