## 1. 面试真题
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- [oppo后端16连问](https://mp.weixin.qq.com/s?__biz=Mzg3NzU5NTIwNg==&mid=2247498750&idx=1&sn=19fe8b4fff28fe81db14e733053bbc74&chksm=cf2224d7f855adc1d0984980a4e3de31fe33329164a472ca8d8255a8a80b69b2e23850811323&token=2001057130&lang=zh_CN#rd)
- [小厂后端十连问(附答案)](https://mp.weixin.qq.com/s?__biz=Mzg3NzU5NTIwNg==&mid=2247498316&idx=1&sn=7749b78293b7b2af51eda99844e08a56&chksm=cf222565f855ac7324232e2af459f8b6e6eb5fd5b272c2b29bda08cc579421b6704a0de94b2e&token=2001057130&lang=zh_CN#rd)
- [腾讯云后端15连问!](https://mp.weixin.qq.com/s?__biz=Mzg3NzU5NTIwNg==&mid=2247498171&idx=1&sn=f5a7ec25a569822be0f73fbcd413e8ba&chksm=cf222692f855af84fba419166fcd4235c0e78af3a2e1ec4c723a4efb1bd1ad6f8a5b9404c599&token=2001057130&lang=zh_CN#rd)
- [社招后端21连问(三年工作经验一面)](https://mp.weixin.qq.com/s?__biz=Mzg3NzU5NTIwNg==&mid=2247498084&idx=1&sn=96c8148cfeeeb16668ed9e03fa9131cc&chksm=cf22264df855af5b6e81b93738cca28989226a53ec702fcfaa0cc5004dded4208c5ee5ea844a&token=2001057130&lang=zh_CN#rd)
- [一份热乎乎的字节面试真题](https://mp.weixin.qq.com/s?__biz=Mzg3NzU5NTIwNg==&mid=2247497742&idx=1&sn=18765e7356f446a7f2521f45b467d5d3&chksm=cf222727f855ae31dd2029e3219814211336c41d9228d271a583d3691ddadca586529aca9302&token=2001057130&lang=zh_CN#rd)
- [面试必备:虾皮服务端15连问](https://mp.weixin.qq.com/s?__biz=Mzg3NzU5NTIwNg==&mid=2247497256&idx=1&sn=3b799c2d514aa25e85a6faa60d639a0b&chksm=cf222901f855a017b73356b99b830b8800a7a9172fab891c5759d8dd69a270872ea9480c0b7c&token=2001057130&lang=zh_CN#rd)
- [宇宙条一面:十道经典面试题解析](https://mp.weixin.qq.com/s?__biz=Mzg3NzU5NTIwNg==&mid=2247495342&idx=1&sn=54e1c0c16a6467001524c34818025331&chksm=cf223187f855b89140db5ca429e6efc19d0111abf7f36b78a0ecd73b00fded1ff1e7ba32a6f1&token=2001057130&lang=zh_CN#rd)
- [蚂蚁金服一面:十道经典面试题解析](https://mp.weixin.qq.com/s?__biz=Mzg3NzU5NTIwNg==&mid=2247493270&idx=1&sn=1c78a81d6e1bd0f0fd947fe8c3a33e32&chksm=cf2239bff855b0a9627855f20a17799e0506eb7548a409bfa0ee0450328d7519ec70f7b962cc&token=2001057130&lang=zh_CN#rd)
## 2. 必考经典面试题
- [Redis主从、哨兵、 Cluster集群一锅端!](https://mp.weixin.qq.com/s?__biz=Mzg3NzU5NTIwNg==&mid=2247498254&idx=1&sn=6489360c3b226df9811e66cb40ec7656&chksm=cf222527f855ac3112628bcec7730064fee3fdbe869fbd0a7410c22766a0c036a7e5c1a69fa0&token=2001057130&lang=zh_CN#rd)
- [我们为什么要分库分表?](https://mp.weixin.qq.com/s?__biz=Mzg3NzU5NTIwNg==&mid=2247498625&idx=1&sn=0d7bd9d1b46eeff4c715a6761355e9b0&chksm=cf2224a8f855adbea8931c8e011711f6c70cffeef8ddf8b87729c710eacef11b46eef80fda36&token=2001057130&lang=zh_CN#rd)
- [面试必备:聊聊MySQL的主从](https://mp.weixin.qq.com/s?__biz=Mzg3NzU5NTIwNg==&mid=2247497982&idx=1&sn=bb589329cceb5462fc41f66ec63dbf56&chksm=cf2227d7f855aec16dd4d3b3425c0401850eeaf2c9cdc82e82722d38a00c24ee9ccfa3353774&token=2001057130&lang=zh_CN#rd)
- [消息队列经典十连问](https://mp.weixin.qq.com/s?__biz=Mzg3NzU5NTIwNg==&mid=2247497847&idx=1&sn=29a32672b712e7dfadfa36c9902b2ec7&chksm=cf22275ef855ae484fb3f51a5726e9a4bc45222e8fbbd33631d177dc4b5619c36889ea178463&token=2001057130&lang=zh_CN#rd)
- [八种幂等设计](https://mp.weixin.qq.com/s?__biz=Mzg3NzU5NTIwNg==&mid=2247497427&idx=1&sn=2ed160c9917ad989eee1ac60d6122855&chksm=cf2229faf855a0ecf5eb34c7335acdf6420426490ee99fc2b602d54ff4ffcecfdab24eeab0a3&token=2001057130&lang=zh_CN#rd)
- [看一遍就理解:零拷贝详解](https://mp.weixin.qq.com/s?__biz=Mzg3NzU5NTIwNg==&mid=2247496788&idx=1&sn=f65ddd10d16d8376efa0037762153932&chksm=cf222b7df855a26bad76249e7b77e28da3097b226f9165d79f5031516d9c345827fca901559c&token=2001057130&lang=zh_CN#rd)
- [看一遍就理解:IO模型详解](https://mp.weixin.qq.com/s?__biz=Mzg3NzU5NTIwNg==&mid=2247496448&idx=1&sn=cd502f850290a25949dd4a11ac55a039&chksm=cf222c29f855a53f094bde2868900fa252b07385e73564e9ee9f0510cb4e74387d9d23ab67e6&token=2001057130&lang=zh_CN#rd)
- [看一遍就理解:MVCC原理详解](https://mp.weixin.qq.com/s?__biz=Mzg3NzU5NTIwNg==&mid=2247495277&idx=1&sn=a1812febb4246f824ce54d778f672025&chksm=cf223144f855b8528ad6cce707dc3a1b4d387817bd751dfab4f79dda90c6640f9763d25f3f33&token=2001057130&lang=zh_CN#rd)
- [2W字!详解20道Redis经典面试题!(珍藏版)](https://mp.weixin.qq.com/s?__biz=Mzg3NzU5NTIwNg==&mid=2247494124&idx=1&sn=c185f7d999d5f006608d05707a8a7eea&chksm=cf2236c5f855bfd329c6e2ee27f23f8131ebcd312960190a10f1a819d67f07a21a08ad17f263&token=162724582&lang=zh_CN&scene=21#wechat_redirect)
- [七种方案!探讨Redis分布式锁的正确使用姿势](https://mp.weixin.qq.com/s?__biz=Mzg3NzU5NTIwNg==&mid=2247488142&idx=1&sn=79a304efae7a814b6f71bbbc53810c0c&chksm=cf21cda7f85644b11ff80323defb90193bc1780b45c1c6081f00da85d665fd9eb32cc934b5cf&token=162724582&lang=zh_CN&scene=21#wechat_redirect)
- [面试必备!TCP协议经典十五连问!](https://mp.weixin.qq.com/s?__biz=Mzg3NzU5NTIwNg==&mid=2247490868&idx=1&sn=96889bfe6a97f9200fa2d682cf2f5d89&chksm=cf21c21df8564b0b0757df584560a69340b1775fe1c70b867439565969ec3aed19c442ff4eeb&token=162724582&lang=zh_CN&scene=21#wechat_redirect)
- [2W字!梳理50道经典计算机网络面试题(收藏版)](https://mp.weixin.qq.com/s?__biz=Mzg3NzU5NTIwNg==&mid=2247492832&idx=1&sn=601fa1c340a313bc0f74bb75cdb6a95a&chksm=cf223bc9f855b2dfb8d0e74f3360e2edfe25c3a728fe17e9e80b6022340994fd9d9e1ca83ca8&token=162724582&lang=zh_CN&scene=21#wechat_redirect)
- [ZooKeeper的十二连问,你顶得了嘛?](https://mp.weixin.qq.com/s?__biz=Mzg3NzU5NTIwNg==&mid=2247488047&idx=1&sn=4913c7e1c3b8835f7512d8dc6b845727&chksm=cf21cd06f8564410cce6121230256facb1ab3b5a9ed35579896f428d84bdea7b86836109d575&token=162724582&lang=zh_CN&scene=21#wechat_redirect)
- [50道Java集合经典面试题(收藏版)](https://mp.weixin.qq.com/s?__biz=Mzg3NzU5NTIwNg==&mid=2247488007&idx=1&sn=c5c16c8ec916c791e776216f3177c7e2&chksm=cf21cd2ef85644382a985e9fed1956d6ee60c86ce69e65f31f775318435fdb86bf368e26edf2&token=162724582&lang=zh_CN&scene=21#wechat_redirect)
- [100道MySQL数据库经典面试题解析(收藏版)](https://mp.weixin.qq.com/s?__biz=Mzg3NzU5NTIwNg==&mid=2247488000&idx=1&sn=1c38db7fd110bbcc1ffb2d72a56aaf25&chksm=cf21cd29f856443f25a3fe98ae8e888faceef9bee45df045969b2cffb105363dcc2a4480bb74&token=1495321435&lang=zh_CN&scene=21#wechat_redirect)
- [Spring 面试63问](https://mp.weixin.qq.com/s?__biz=Mzg3NzU5NTIwNg==&mid=2247497672&idx=1&sn=6ff0350e23d014b29a47bdec79af9ef5&chksm=cf2228e1f855a1f70fa78d9bd85c53dfbe154c1325aa1e203e4c918132c430d51bb68e961eda&token=2001057130&lang=zh_CN#rd)
- [多线程50连问](https://mp.weixin.qq.com/s?__biz=Mzg3NzU5NTIwNg==&mid=2247501446&idx=1&sn=3d83f3c1035c963c1fda3f77ab750e71&chksm=cf2219aff85590b9ba054dc33956a5cafe1beaa77b231dc4dc0cf891be3e16ef367f6b2ac4ed&token=245109219&lang=zh_CN#rd)