Java full stack knowledge system

pdai is the most comprehensive Java full-stack knowledge learning website that I have seen so far. It covers almost all Java-related knowledge from entry to entry. The following two pictures show all the content. Contains: Java basics, Java partial source code, JVM, Spr

Introduction

pdai is the most comprehensive Java full-stack knowledge learning website that I have seen so far. It covers almost all Java-related knowledge from entry to entry. The following two pictures show all the content.

Includes: Java basics, Java partial source code, JVM, Spring, Spring Boot, Spring Cloud, database principles, MySQL, ElasticSearch, MongoDB, Docker, k8s, CI&CD, Linux, DevOps, distributed, middleware, development tools, Git, IDE, source code reading, reading notes, open source projects…

 

The author provides a detailed mind map for each knowledge point to help you understand quickly.

 

In addition to detailed Java full-stack knowledge system learning, the author also combined the interview questions of BAT major manufacturers

 

 

What kind of people are suitable for reading?

  • Interviewer: Systematic understanding not only helps you understand the basic system of knowledge, but also helps you quickly identify candidates.
  • Beginners in development: get on board early and win at the starting line
  • Advanced developers: After several years of development, there is still no direction.
  • I am someone who wants to make progress: the key is that you think it is meaningful to you, and it is enough to do what you think is right.

Visits:21
Updated:2026-11-07
1
Zlibrary
Zlibrary is known as the world's largest digital library, containing 9,826,996 e-books and 84,837,646 journal articles. From various well-known literary works, science and engineering, humanities and arts, to academic papers, etc.! Support PDF, epu
2
LinkFox AI
AI tools designed for cross-border e-commerce
3
HeyGen
AI-generated digital human videos
4
DuiYou AI
Duiyou is a service platform developed by Alibaba Design to support designers throughout their entire career journey. It builds its capabilities around five key user values—quality, efficiency, skills, achievements, and income—to fully serve designers, with the goal of becoming their trusted partner. Refined through multiple rounds of development by design teams from leading tech companies, Duiyou combines a vast collection of high-quality 3D assets, real-time online rendering, diverse scenario-based applications, a lightweight, easy-to-learn, and user-friendly interface. It also comes with free, commercially usable features, providing professional designers, marketing specialists, students, beginners, and social media influencers with a zero-cost online design platform and resource library.
5
PixPix
Generation of AI-based e-commerce templates and videos
6
Riffusion
Generative AI musical instruments enable the creation, remixing, and sharing of high-quality songs based on textual prompts.
7
OptimizerAI
The AI sound effect generator is capable of generating an unlimited number of high-quality sounds based on text or audio input.
8
PDF Converter
Free online tool for converting and editing PDF files.
9
StockTune
StockTune provides AI-generated royalty-free music for content creators to use without attribution.
10
A Cost-Effective Guide to Living a Better Life: HowToLiveBetter
Which membership services on my phone are automatically deducting fees from my account? Is the password for my main email address the same as that used on other websites? In the rental contract, when exactly will the deposit be refunded? Each of these issues, taken separately, is not particularly complicated. However, without anyone reminding you, it’s very easy to make mistakes. Today, I’d like to share a GitHub repository with 60.5k stars…
1
Zlibrary
Zlibrary is known as the world's largest digital library, containing 9,826,996 e-books and 84,837,646 journal articles. From various well-known literary works, science and engineering, humanities and arts, to academic papers, etc.! Support PDF, epu
2
LinkFox AI
AI tools designed for cross-border e-commerce
3
HeyGen
AI-generated digital human videos
4
DuiYou AI
Duiyou is a service platform developed by Alibaba Design to support designers throughout their entire career journey. It builds its capabilities around five key user values—quality, efficiency, skills, achievements, and income—to fully serve designers, with the goal of becoming their trusted partner. Refined through multiple rounds of development by design teams from leading tech companies, Duiyou combines a vast collection of high-quality 3D assets, real-time online rendering, diverse scenario-based applications, a lightweight, easy-to-learn, and user-friendly interface. It also comes with free, commercially usable features, providing professional designers, marketing specialists, students, beginners, and social media influencers with a zero-cost online design platform and resource library.
5
PixPix
Generation of AI-based e-commerce templates and videos
6
Riffusion
Generative AI musical instruments enable the creation, remixing, and sharing of high-quality songs based on textual prompts.
7
OptimizerAI
The AI sound effect generator is capable of generating an unlimited number of high-quality sounds based on text or audio input.
8
PDF Converter
Free online tool for converting and editing PDF files.
9
StockTune
StockTune provides AI-generated royalty-free music for content creators to use without attribution.
10
A Cost-Effective Guide to Living a Better Life: HowToLiveBetter
Which membership services on my phone are automatically deducting fees from my account? Is the password for my main email address the same as that used on other websites? In the rental contract, when exactly will the deposit be refunded? Each of these issues, taken separately, is not particularly complicated. However, without anyone reminding you, it’s very easy to make mistakes. Today, I’d like to share a GitHub repository with 60.5k stars…