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AI Application Development Interview Guide

An open-source guide for backend developers on AI application development, AI programming practices, and interviews, covering core technologies and engineering practices such as LLM, Agent, RAG, MCP, Claude Code, Codex, and more. Benchmarking JavaGuide! If it helps, welcome to Star!

• Project URL: https://github.com/Snailclimb/AIGuide
• Online Reading: https://javaguide.cn/ai/

Backend Interview Preparation

• ⭐Java Backend Interview Preparation Plan (Covering General Backend System) (Must-read :+1:)
• How to Efficiently Prepare for Java Interviews?
• Key Summary of Java Backend Interviews
• Java Learning Roadmap (Latest, 4w+ Words)
• Programmer Resume Writing Guide
• Project Experience Guide
• How to Deal with Interview Nervousness?
• What to Do Without Internship Experience in Campus Recruitment? How to Write About Internship Experience?

Java

Java Basics

Knowledge Points/Interview Questions Summary (Must-read :+1:):

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

Important Knowledge Points Explanation:

• Why is There Only Pass-by-Value in Java?
• Serialization in Java Explained
• Generics & Wildcards Explained
• Java Reflection Mechanism Explained
• Java Proxy Pattern Explained
• BigDecimal Explained
• Java Magic Class Unsafe Explained
• Java SPI Mechanism Explained
• Java Syntactic Sugar Explained

Collections

Knowledge Points/Interview Questions Summary:

• Summary of Common Java Collection Knowledge Points & Interview Questions (Part 1) (Must-read :+1:)
• Summary of Common Java Collection Knowledge Points & Interview Questions (Part 2) (Must-read :+1:)
• Summary of Java Container Usage Precautions

Source Code Analysis:

• ArrayList Core Source Code + Expansion Mechanism Analysis
• LinkedList Core Source Code Analysis
• HashMap Core Source Code + Underlying Data Structure Analysis
• ConcurrentHashMap Core Source Code + Underlying Data Structure Analysis
• LinkedHashMap Core Source Code Analysis
• CopyOnWriteArrayList Core Source Code Analysis
• ArrayBlockingQueue Core Source Code Analysis
• PriorityQueue Core Source Code Analysis
• DelayQueue Core Source Code Analysis

IO

• IO Basic Knowledge Summary
• IO Design Patterns Summary
• IO Model Explanation
• NIO Core Knowledge Summary

Concurrency

Knowledge Points/Interview Questions Summary (Must-read :+1:)

• Common Java Concurrency Knowledge Points & Interview Questions Summary (Part 1)
• Common Java Concurrency Knowledge Points & Interview Questions Summary (Part 2)
• Common Java Concurrency Knowledge Points & Interview Questions Summary (Part 3)

Important Knowledge Points Explanation:

• Optimistic Lock and Pessimistic Lock Explanation
• CAS Explanation
• JMM (Java Memory Model) Explanation
• Thread Pool: Java Thread Pool Explanation, Java Thread Pool Best Practices
• ThreadLocal Explanation
• Java Concurrent Collections Summary
• Atomic Classes Summary
• AQS Explanation
• CompletableFuture Explanation

JVM (Must-read :+1:)

The JVM part mainly refers to the JVM Specification - Java 8 and Zhou Zhiming's book 《Deep Understanding of Java Virtual Machine (3rd Edition)》 (strongly recommend to read it several times!).

• Java Memory Area
• JVM Garbage Collection
• Class File Structure
• Class Loading Process
• Class Loader
• 【To Be Completed】Most Important JVM Parameters Summary (Half Translated)
• 【Bonus】Understand JVM in Plain Language
• JDK Monitoring and Troubleshooting Tools

New Features

• Java 8: Java 8 New Features Summary (Translated), Common Java 8 New Features Summary
• Java 9 New Features Overview
• Java 10 New Features Overview
• Java 11 New Features Overview
• Java 12 & 13 New Features Overview
• Java 14 & 15 New Features Overview
• Java 16 New Features Overview
• Java 17 New Features Overview
• Java 18 New Features Overview
• Java 19 New Features Overview
• Java 20 New Features Overview
• Java 21 New Features Overview
• Java 22 & 23 New Features Overview
• Java 24 New Features Overview
• Java 25 New Features Overview

Computer Fundamentals

Operating Systems

• Summary of Common Operating System Knowledge Points & Interview Questions (Part 1)
• Summary of Common Operating System Knowledge Points & Interview Questions (Part 2)
• Linux:
• Summary of Essential Linux Basics for Backend Developers
• Summary of Shell Scripting Basics

Networking

Knowledge Points/Interview Questions Summary:

• Summary of Common Computer Network Knowledge Points & Interview Questions (Part 1)
• Summary of Common Computer Network Knowledge Points & Interview Questions (Part 2)
• Summary of Professor Xie Xiren's "Computer Network" Content (Supplementary)

Important Knowledge Points Explanation:

• Detailed Explanation of the OSI and TCP/IP Network Layer Models (Basics)
• Summary of Common Application Layer Protocols (Application Layer)
• HTTP vs HTTPS (Application Layer)
• HTTP 1.0 vs HTTP 1.1 (Application Layer)
• Common HTTP Status Codes (Application Layer)
• Detailed Explanation of the DNS Domain Name System (Application Layer)
• TCP Three-Way Handshake and Four-Way Termination (Transport Layer)
• What's the Difference Between TCP Keepalive and HTTP Keep-Alive? (Transport Layer)
• TCP Transmission Reliability Guarantee (Transport Layer)
• If You Can Ping Through, Does TCP Definitely Connect? (Transport Layer)
• Can TCP and UDP Use the Same Port? (Transport Layer)
• What's the Maximum Number of TCP Connections a Host Can Maintain? (Transport Layer)
• Detailed Explanation of the ARP Protocol (Network Layer)
• Detailed Explanation of the NAT Protocol (Network Layer)
• Summary of Common Network Attack Means (Security)

Data Structures

Illustrated Data Structures:

• Linear Data Structures: Arrays, Linked Lists, Stacks, Queues
• Graphs
• Heaps
• Trees: Focus on Red-Black Trees, B-, B+, B* Trees, and LSM Trees

Other Commonly Used Data Structures:

• Bloom Filters

Algorithms

The algorithm part is very important. If you don't know how to learn algorithms, you can refer to:

• Recommended Algorithm Learning Books and Resources.
• How to Solve LeetCode Problems?

Summary of Common Algorithm Problems:

• Summary of Several Common String Algorithm Problems
• Summary of Several Common Linked List Algorithm Problems
• Part of the Coding Questions from the "Sword Refers to Offer"
• Ten Classic Sorting Algorithms

Additionally, GeeksforGeeks has a comprehensive summary of common algorithms.

Database

Database Basics

• Summary of Database Basics
• Summary of NoSQL Basics
• Explanation of Character Sets
• SQL:
• Summary of SQL Syntax Basics
• Summary of Common SQL Interview Questions

MySQL

Knowledge Points/Interview Questions Summary:

• MySQL Common Knowledge Points & Interview Questions Summary (Must-read :+1:)
• MySQL High-Performance Optimization Specification Recommendations

Important Knowledge Points:

• MySQL Index Details
• Summary of MySQL Index Invalidation Scenarios
• Detailed Explanation of MySQL Transaction Isolation Levels (with Pictures)
• Detailed Explanation of MySQL's Three Logs (binlog, redo log, and undo log)
• InnoDB Storage Engine's Implementation of MVCC
• How SQL Statements are Executed in MySQL
• Detailed Explanation of MySQL Query Cache
• [MySQL Query Execution Plan Analysis](./docs/