Snailclimb/JavaGuide

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Java 面试 & 后端通用面试指南，覆盖计算机基础、数据库、分布式、高并发、系统设计与 AI 应用开发

Stars: 159k
Forks: 46.1k
Open beginner issues: 0
Indexed issues: 18
Avg merge: 14h 36m
Merged PRs (30d): 6

Dominant language: JavaScript
License: Apache-2.0
Last GitHub push: Sep 20, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted

Beginner friendly Everything

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18 issues indexed so far

关于文章 `ai/agent/mcp.md` 的 MCP 2026-07-28 版本跟进 Closed

Difficulty 4/5 3-5 days Newbie friendliness 55/100

Snailclimb/JavaGuide#2914 · Opened Sep 7, 2026
关于数组转集合方法的第六种：使用Java9的List.of() Open

Difficulty 1/5 Under an hour Newbie friendliness 45/100

Snailclimb/JavaGuide#2649 · 2 comments · Opened Mar 19, 2025
AOP 织入（Weaving）的表达方式或许可以描述的更易懂一些 Open

perfect content

Difficulty 1/5 Under an hour Newbie friendliness 55/100

Snailclimb/JavaGuide#2453 · 3 comments · Opened Aug 13, 2024
关于Disruptor中填充了多少字节的补充 Open

perfect content

Difficulty 3/5 1-2 days Newbie friendliness 35/100

Snailclimb/JavaGuide#2259 · 2 comments · Opened Feb 15, 2024
RMQ5.0后consumer负载均衡默认使用消息粒度负载均衡，因此consumer的数量可以大于queue的数量 Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

Snailclimb/JavaGuide#2074 · Opened Jul 9, 2023
MySQL索引详解部分：非聚簇索引，覆盖索引和联合索引图片错误，页和页之间双向链表 Open

待处理

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

Snailclimb/JavaGuide#1879 · Opened Nov 25, 2022
关于Java 并发常见面试题总结（中）“如何保证变量的可见性？”问题的答案详解 Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 35/100

Snailclimb/JavaGuide#1849 · 2 comments · 1 reaction · Opened Oct 25, 2022
泛型之常用的通配符有哪些？ Open

perfect content

Difficulty 3/5 1-2 days Newbie friendliness 35/100

Snailclimb/JavaGuide#1692 · 2 comments · 1 reaction · Opened Apr 15, 2022
反射机制 --> Class.newInstance() && Constructor.newInstance() Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 35/100

Snailclimb/JavaGuide#1606 · 2 comments · Opened Mar 9, 2022
有没有出英文版的需求？ Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

Snailclimb/JavaGuide#1494 · 1 comment · 2 reactions · Opened Jan 2, 2022
JavaGuide 贡献指南 Open

discuss help wanted perfect

Difficulty 4/5 3-5 days Newbie friendliness 25/100

Snailclimb/JavaGuide#1235 · 8 comments · 4 reactions · Opened Jun 8, 2021
Oracle JDK 许可协议 Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

Snailclimb/JavaGuide#1156 · 5 comments · Opened Apr 13, 2021
HashMap(JDK1.8)源码+底层数据结构分析.md中put方法的流程图，转变红黑树时的疑问 Open

doc-bug enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

Snailclimb/JavaGuide#1087 · 8 comments · 1 reaction · Opened Feb 17, 2021
redis内存回收 Open

discuss help wanted

Difficulty 1/5 Under an hour Newbie friendliness 30/100

Snailclimb/JavaGuide#872 · 1 comment · Opened Jul 28, 2020
欢迎各位一起完善！Need your help! Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

Snailclimb/JavaGuide#767 · Opened May 9, 2020
开始阅读之前，希望你可以点进来看一看！ Open

perfect

Difficulty 5/5 Over a week Newbie friendliness 10/100

Snailclimb/JavaGuide#678 · 23 comments · 9 reactions · Opened Mar 11, 2020
关于String类的实现的补充：Java 9 之后，String 类的实现改用 byte 数组存储字符串 Open

discuss enhancement perfect

Difficulty 1/5 1-3 hours Newbie friendliness 35/100

Snailclimb/JavaGuide#675 · 11 comments · 18 reactions · Opened Mar 6, 2020
RedLock实现分布式锁 Open

enhancement perfect

Difficulty 4/5 3-5 days Newbie friendliness 15/100

Snailclimb/JavaGuide#567 · 3 comments · Opened Nov 23, 2019

Snailclimb/JavaGuide

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