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Title: GitHub - sunjun5249/JavaFamily: 【Java面试+Java学习指南】 一份涵盖大部分Java程序员所需要掌握的核心知识。

Open Graph Title: GitHub - sunjun5249/JavaFamily: 【Java面试+Java学习指南】 一份涵盖大部分Java程序员所需要掌握的核心知识。

X Title: GitHub - sunjun5249/JavaFamily: 【Java面试+Java学习指南】 一份涵盖大部分Java程序员所需要掌握的核心知识。

Description: 【Java面试+Java学习指南】 一份涵盖大部分Java程序员所需要掌握的核心知识。. Contribute to sunjun5249/JavaFamily development by creating an account on GitHub.

Open Graph Description: 【Java面试+Java学习指南】 一份涵盖大部分Java程序员所需要掌握的核心知识。. Contribute to sunjun5249/JavaFamily development by creating an account on GitHub.

X Description: 【Java面试+Java学习指南】 一份涵盖大部分Java程序员所需要掌握的核心知识。. Contribute to sunjun5249/JavaFamily development by creating an account on GitHub.

Mail addresses
xichao.jy@alibaba-inc.com
aobing@mogu.com
lw263888@alibaba-inc.com
joshua.liff@alibaba-inc.com
fightingcrap@gmail.com

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后端面试点合集https://mp.weixin.qq.com/s/gBr3UfC1HRcw4U-ZMmtRaQ
https://patch-diff.githubusercontent.com/sunjun5249/JavaFamily#目录善用ctrlf
学习linux命令，看这篇2w多字的命令详解就够了https://mp.weixin.qq.com/s/7bSwKiPmtJbs7FtRWZZqpA
图解HTTP协议https://mp.weixin.qq.com/s/AK1Pb9rx0q5Hf8dq6HNOhw
面试 HTTP ，99% 的面试官都爱问这些问题https://mp.weixin.qq.com/s/t7ZYT6wBBbFYVBPOSztpRg
实战！敖丙用“大白鲨”让你看见 TCPhttps://mp.weixin.qq.com/s/jTDU-zxP1INTYLpGLypjXQ
跟着动画学习TCP三次握手和四次挥手https://mp.weixin.qq.com/s/NL7Jzh0lYoA395yzaGxBHw
敖丙用近 40 张图解被问千百遍的 TCP 三次握手和四次挥手面试题https://mp.weixin.qq.com/s/rX3A_FA19n4pI9HicIEsXg
键入网址后，期间发生了什么？https://mp.weixin.qq.com/s/I6BLwbIpfGEJnxjDcPXc1A
IP 基础知识“全家桶”，敖丙45 张图一套带走你https://mp.weixin.qq.com/s/p9oA9YTZLoXVooUOSNQCMg
你还在为 TCP 重传、滑动窗口、流量控制、拥塞控制发愁吗？看完图解就不愁了https://mp.weixin.qq.com/s/HjOUsKn8eLfDogbBX3hPnA
敖丙说了这么多次 I/O，可你知道其中的原理么？https://mp.weixin.qq.com/s/TJghsMRqkzBIsoHjGiEwFw
敖丙听说你 ping 用的很 6 ？给我图解一下 ping 的工作原理！https://mp.weixin.qq.com/s/3KF0IxLum8EOtcF0ZNIiPA
硬核！30 张图解 HTTP 常见的面试题https://mp.weixin.qq.com/s/amOya0M00LwpL5kCS96Y6w
一次相亲经历，我彻底搞懂了什么叫阻塞非阻塞，同步异步https://mp.weixin.qq.com/s/DEd0VY3dhR6B0hjQSEtB7Q
HashMaphttps://mp.weixin.qq.com/s/0Gf2DzuzgEx0i3mHVvhKNQ
面试官：HashMap 为什么线程不安全？https://mp.weixin.qq.com/s/VtIpj-uuxFj5Bf6TmTJMTw
万万没想到，HashMap默认容量的选择，竟然背后有这么多思考！？https://mp.weixin.qq.com/s/ktre8-C-cP_2HZxVW5fomQ
ConcurrentHashMap & Hashtable（文末送书）https://mp.weixin.qq.com/s/AixdbEiXf3KfE724kg2YIw
ArrayListhttps://mp.weixin.qq.com/s/WoGclm7SsbURGigI3Mwr3w
ArrayList源码解析，老哥，来一起复习一哈？https://mp.weixin.qq.com/s/3PNWmtS-bEZgZjd9wyMiDA
面试官问我同步容器（如Vector）的所有操作一定是线程安全的吗？我懵了！https://mp.weixin.qq.com/s/0cMrE87iUxLBw_qTBMYMgA
全网最透彻HTTPS（面试常问）https://mp.weixin.qq.com/s/21JaXwdfSjItj5SgOwhapg
枚举https://mp.weixin.qq.com/s/U5FkL9zyzr0PkAp8MJJ8BQ
我就知道面试官接下来要问我 ConcurrentHashMap 底层原理了https://mp.weixin.qq.com/s/My4P_BBXDnAGX1gh630ZKw
【JVM故事】了解JVM的结构，好在面试时吹牛https://mp.weixin.qq.com/s/fit90VdZUa2pG9lbET0i7w
看完这篇垃圾回收，和面试官扯皮没问题了https://mp.weixin.qq.com/s/_AKQs-xXDHlk84HbwKUzOw
Java堆内存是线程共享的！面试官：你确定吗？https://mp.weixin.qq.com/s/Wws24Fhg1nH4dHvtcFYi2g
线上服务的FGC问题排查，看这篇就够了！https://mp.weixin.qq.com/s/P8s3kuceBNovUP5adXpFCQ
【面试】如果把线程当作一个人来对待，所有问题都瞬间明白了https://mp.weixin.qq.com/s/PrUa0tFyu3UZllP2FRDyVA
Java 并发进阶常见面试题总结https://mp.weixin.qq.com/s/cdHfTTvMpH60SwG2bjTMBw
如果你这样回答“什么是线程安全”，面试官都会对你刮目相看（建议珍藏）https://mp.weixin.qq.com/s/WDeewsvWUEBIuabvVVhweA
乐观锁、悲观锁https://mp.weixin.qq.com/s/WtAdXvaRuBZ-SXayIKu1mA
死磕Synchronized源码https://mp.weixin.qq.com/s/2ka1cDTRyjsAGk_-ii4ngw
我画了35张图就是为了让你深入 AQShttps://mp.weixin.qq.com/s/trsjgUFRrz40Simq2VKxTA
终于有人把 CountDownLatch，CyclicBarrier，Semaphore 说明白了!https://mp.weixin.qq.com/s/TDw7GnzDw5FK3RWwkIzzZA
面试官想到，一个Volatile，敖丙都能吹半小时https://mp.weixin.qq.com/s/Oa3tcfAFO9IgsbE22C5TEg
记一次线程池引发的故障 排查下来是三歪的锅https://mp.weixin.qq.com/s/TQGtNpPiTypeKd5kUnfxEw
怎么排查堆内存溢出啊？https://mp.weixin.qq.com/s/7XGD-Z3wrThv5HyoK3B8AQ
CPU100%，排查https://mp.weixin.qq.com/s/roEMz-5tzBZvGxbjq8NhOQ
图解红黑树https://mp.weixin.qq.com/s/-8JFh5iLr88XA4AJ9mMf6g
一分钟带你玩转 Spring IoChttps://mp.weixin.qq.com/s/WpRSitDqtgOuU9GnI1-HDw
Spring事务传播行为https://mp.weixin.qq.com/s/IglQITCkmx7Lpz60QOW7HA
外行人都能看懂的SpringCloud，错过了血亏！https://mp.weixin.qq.com/s/MJrahcDXwxgDr5zBdO3XWw
敖丙说精通字符串，面试官竟然问Java中的String有没有长度限制！https://mp.weixin.qq.com/s/6YhpbuhdTX9BM_OimoW8MA
敖丙RPC的超时设置，一不小心搞了线上事故https://mp.weixin.qq.com/s/pkWkD1VhMxhZPRrybLcQjA
敖丙找出Dubbo源码BUG，三歪夸了我一天https://mp.weixin.qq.com/s/_5YMfQK1tmYbmRMldBPlaQ
20000 字的 Spring Cloud 总结https://mp.weixin.qq.com/s/pGSx8eKFH3YnUos3SM2ITw
什么是Zookeeperhttps://mp.weixin.qq.com/s/gphDLJMO3QcRoN3zkco4EA
什么是单点登录(SSO)https://mp.weixin.qq.com/s/drPVkRbCsDIlX6Ls2pDmqA
分布式锁之Zookeeperhttps://mp.weixin.qq.com/s/ZqQHWLfVD1Rz1agmH3LWrg
Zookeeper之ZAB协议https://mp.weixin.qq.com/s/k0zAExTvMsrugCaNJxs7hQ
高并发架构基石-缓存https://github.com/AobingJava/JavaFamily/tree/master/docs/redis
敖丙在蘑菇街的redis技术分享https://mp.weixin.qq.com/s/xS2dqi5IG10AF7cHbzguAA
Redis基础知识https://mp.weixin.qq.com/s/aOiadiWG2nNaZowmoDQPMQ
缓存击穿、雪崩、穿透https://mp.weixin.qq.com/s/knz-j-m8bTg5GnKc7oeZLg
集群高可用、哨兵、持久化、LRUhttps://mp.weixin.qq.com/s/EjDeypra_d9Tfsn-WkJZdw
分布式锁、并发竞争、双写一致性https://mp.weixin.qq.com/s/2hTgP3MRTVDxmmoUFhOaGw
Redis常见面试题https://mp.weixin.qq.com/s/R1TJMo2IbPUUMox9OAAafQ
布隆过滤器(BloomFilter)https://github.com/AobingJava/JavaFamily/blob/master/docs/redis/%E5%B8%83%E9%9A%86%E8%BF%87%E6%BB%A4%E5%99%A8(BloomFilter).md
秒杀系统设计https://mp.weixin.qq.com/s/z2S1EjWQDwKm5Ud36IenNw
全栈秒杀系统设计https://mp.weixin.qq.com/s/RRHN8t017ofOvb4nvlCStg
课代表总结https://mp.weixin.qq.com/s/lLTbL5YW0gIJu9Yx2T2OtA
短小精悍之 Redis 命令行工具有趣的罕见用法https://mp.weixin.qq.com/s/eSx4aL7iaMZlW0cPZswghA
布隆过滤器实战【防止缓存击穿】https://mp.weixin.qq.com/s/BdwZViiAqnFhCde4ZsxwPg
布隆过滤器过时了，未来属于布谷鸟过滤器？https://mp.weixin.qq.com/s/XxY3b5FoVXCvHJWMxQH29g
什么鬼，面试官竟然让敖丙用Redis实现一个消息队列！！？https://mp.weixin.qq.com/s/5NOTLJ6AM3QJfhvXMSR-MA
Redis—分布式锁深入探究https://mp.weixin.qq.com/s/49hgH3COla3wU0rgyiUVgg
Redis—跳跃表https://mp.weixin.qq.com/s/NOsXdrMrWwq4NTm180a6vw
Redis—5种基本数据结构https://mp.weixin.qq.com/s/MT1tB2_7f5RuOxKhuEm1vQ
Redis—持久化https://mp.weixin.qq.com/s/O_qDco6-Dasu3RomWIK_Ig
Reids—神奇的HyperLoglog解决统计问题https://mp.weixin.qq.com/s/9dtGe3d_mbbxW5FpVPDNow
Redis分布式锁https://mp.weixin.qq.com/s/Z_xriP-jc2Bnmdcm0l5xzg
妈妈再也不担心我面试被Redis问得脸都绿了https://mp.weixin.qq.com/s/vXBFscXqDcXS_VaIERplMQ
消息队列https://github.com/AobingJava/JavaFamily/tree/master/docs/mq
消息队列基础知识https://mp.weixin.qq.com/s/Qhw4oS0OeN1N7uT1z6rbqg
消息重复消费、分布式事务、顺序消费https://mp.weixin.qq.com/s/OKon95MRUqDc9IwtEqPSjQ
Kafka架构与原理https://mp.weixin.qq.com/s/-IPfWPS1WQMEgcIu0Ak2VQ
RocketMQhttps://mp.weixin.qq.com/s/y-4TVwbc7AFGEA7q-_OkYw
MySQL调优https://mp.weixin.qq.com/s/e0CqJG2-PCDgKLjQfh02tw
MySQL的索引是怎么加速查询的？https://mp.weixin.qq.com/s/7TPVOT7sloDUKmhldf9uvg
数据库索引https://mp.weixin.qq.com/s/_9rDde9wRYoZeh07EASNQQ
MySql主从复制，从原理到实践！https://mp.weixin.qq.com/s/eEWMSTAUF1H-gFBx26jujw
MySQL 的 InnoDB 存储引擎是怎么设计的？https://mp.weixin.qq.com/s/wr2gJGQSA8QH_lmPh1XOkw
数据库基础知识https://mp.weixin.qq.com/s/NDL1Q6nqdPq5oMBWSpq4ug
原来MySQL面试还会问这些(undo log)https://mp.weixin.qq.com/s/Lx4TNPLQzYaknR7D3gmOmQ
数据库连接池到底应该设多大？这篇文章可能会颠覆你的认知https://mp.weixin.qq.com/s/dQFSrXEmgBMh1PW835rlwQ
漫话：如何给女朋友解释什么是撞库、脱库和洗库？https://mp.weixin.qq.com/s/L0XUMHInnwN9gSYGH2nzdg
阿里巴巴开源限流系统 Sentinel 全解析https://mp.weixin.qq.com/s/NgS9tL4IVwGZrssz7fURpA
支付宝的架构到底有多牛逼？还没看完我就跪了！https://mp.weixin.qq.com/s/d4K9hJHzZ5IAd2aarsdQrw
简历怎么写?https://mp.weixin.qq.com/s/0pNv6pMnenKn1A9PE61VnQ
能不能好好写简历？https://mp.weixin.qq.com/s/LxVeT49GMKu72PZJ-rDHpA
简历这样写，技术人都不直男了！https://mp.weixin.qq.com/s/tl4DpsQPVh-bvlFzNsrzvw
自我介绍https://mp.weixin.qq.com/s/br7Ak88kA5GkZ26hxwKUiw
互联网公司面试流程 注意事项 加分点 防骗指南https://mp.weixin.qq.com/s/jhmpG2bBb4aXoUJzahC0Rg
互联网公司面试流程&加分点，别跟敖丙一样被无良HR坑了https://mp.weixin.qq.com/s/7Rq8QR58Adi5WGHRlnhDeQ
为什么阿里巴巴禁止开发人员使用isSuccess作为变量名？https://mp.weixin.qq.com/s/xvTCaBXkRc7e6dGCUJxRPQ
为什么阿里巴巴要求谨慎使用ArrayList中的subList方法https://mp.weixin.qq.com/s/9y89Hy-YnpPjXpcmXpy_GQ
为什么阿里巴巴不建议在for循环中使用"+"进行字符串拼接https://mp.weixin.qq.com/s/fLUf8V0Qahe8piNrRp1UVQ
被裁一个月面试的面经和经验分享https://mp.weixin.qq.com/s/MkjSYc0JA1-VErX3lJzPmQ
互联网寒冬，敖丙挚友7面阿里，终获Offerhttps://mp.weixin.qq.com/s/gYpZCSYK3YYEvGFFeHdFJQ
二本 两年经验读者 阿里P6面经https://mp.weixin.qq.com/s/WOS6HMdt1-mAGuLiC30_-Q
3 年经验的 Java 后端妹子，横扫阿里、滴滴、美团，看完面经我觉得敖丙是垃圾！https://mp.weixin.qq.com/s/oAnGGBkre7Z4VkhME-TgzQ
2020 字节跳动后端面经分享！已拿 offer!https://mp.weixin.qq.com/s/hr2pDs2wsiHQuDzW7jmOow
春招字节跳动、蘑菇街四轮面试，分别问了啥？https://mp.weixin.qq.com/s/xBC1IRr6v8hmIJ9lqCp5pQ
敖丙8年经验读者，疫情期间面20家大厂总结https://mp.weixin.qq.com/s/AQvDX0n8wBBaWl2OmcpnrA
京东+百度一面，不小心都拿了Offerhttps://mp.weixin.qq.com/s/VVonP6MgGRUnBnWa2ukkyw
蚂蚁金服2019实习生面经总结(已拿口头offer)https://mp.weixin.qq.com/s/0opKiGbKjAfJkRVeVHzpZg
Bigo的Java面试，我挂在了第三轮技术面上......https://mp.weixin.qq.com/s/3_HnVzGm16zU2zhk7BnwFw
15个经典的Spring面试常见问题https://mp.weixin.qq.com/s/OMlwHHnGcN7iZ8lerUvW7w
Spring常见问题总结（补充版）https://mp.weixin.qq.com/s/wcK2qsZxKDJTLIGqEIyaNg
我是如何在面试别人Spring事务时“套路”对方的https://mp.weixin.qq.com/s/JcHt99SAbNIlY063rmylpA
我和阿里面试官的一次“邂逅”(附问题详解)https://mp.weixin.qq.com/s/-DZj158-LOQmnCayf1_n3A
一份还热乎的蚂蚁金服面经（已拿Offer）！附答案！！https://mp.weixin.qq.com/s/HtLwChoLzqhbM4pKldLDng
十道校招常见的面试题https://mp.weixin.qq.com/s/wTKSvziyEXrSyf21iMjhZQ
JVM必问知识点:类加载过程https://mp.weixin.qq.com/s/eHqFONXXNc-LD4ugaKM6UA
迄今为止把同步/异步/阻塞/非阻塞/BIO/NIO/AIO讲的这么清楚的好文章（快快珍藏）https://mp.weixin.qq.com/s/EVequWGVMWV5Ki2llFzdHg
互联网寒冬，敖丙挚友7面阿里，终获Offerhttps://mp.weixin.qq.com/s/gYpZCSYK3YYEvGFFeHdFJQ
Java后端实习面经，电子科大大三读者投稿！看了之后感触颇深！很开心！https://mp.weixin.qq.com/s/ttKI82_CQdMmxoBw8TS92g
敖丙读者只复习了半年，怒拿字节跳动Offerhttps://mp.weixin.qq.com/s/g6qFbEWfJeahzuzjECuvDg
敖丙读者一个月面试近20家大中小厂，在互联网寒冬突破重围，成功上岸阿里云 ！https://mp.weixin.qq.com/s/F2TiFw-LYFXMRj_hsD-TIw
读研or工作？https://mp.weixin.qq.com/s/Sn7_FcNW7Sq3WVm_LgwVrA
人生如水，由溪入海https://mp.weixin.qq.com/s/417im7XPERSMzGiHnNaiEQ
提离职，涨薪 走，别回头https://mp.weixin.qq.com/s/1rUYxXbb0PaVOkmDQAxHpg
大学个人经历 | 如诗的青春https://mp.weixin.qq.com/s/FJC2uEg9o56dqCPijgizFA
蘑菇街裁员说明 海阔凭鱼跃，天高任鸟飞https://mp.weixin.qq.com/s/JB6CT4SfOg8e9lhkiWwZNg
我知道互联网不相信眼泪，但是敖丙今天还是没忍住https://mp.weixin.qq.com/s/UC6NsEFlNfqMdEkzvHxKRA
2020无畏年少青春，迎风潇洒前行https://mp.weixin.qq.com/s/66ZDj60KPEfohHg0g8Cggw
写作一个月的感受https://mp.weixin.qq.com/s/g6SQ6nqjKrqjlzaGuLHpYA
敖丙用20行代码拿了比赛冠军https://mp.weixin.qq.com/s/br7Ak88kA5GkZ26hxwKUiw
应届毕业生工作7个月小结https://mp.weixin.qq.com/s/XcrBvdlh1At_V42qfQZ9Kw
教你在服务器搭建个人面试项目https://mp.weixin.qq.com/s/D0bxHiXJKU64SinO1mh7Mw
记一次害敖丙差点丢工作的线上P0事故https://mp.weixin.qq.com/s/F8BsSg6R9LHxKt-gbH_JKQ
阿里五年老员工有什么话想对大家说？https://mp.weixin.qq.com/s/9vPZd1q1vpKuE2qZazLQmA
从毕业到技术专家我做了啥https://mp.weixin.qq.com/s/mYfVAo8-jkPFwhbqDZyQzw
50天全网2W粉，感谢坚持！https://mp.weixin.qq.com/s/_5tVdE9oFPBUK3Z0gKH26g
MacBook Pro 入手一年了，到底香不香？https://mp.weixin.qq.com/s/SKzzAT-jBZ2l2R1Evr75ig
【互联网寒冬】经历裁员，拿20W被迫去大厂https://mp.weixin.qq.com/s/0WurpFJlZQtjjdleGPK0Cw
【相亲】95年高颜值妹子，喜欢上进的男生https://mp.weixin.qq.com/s/LCaZQAVL1DnihhngZ3Wq0w
我的青春结束了https://mp.weixin.qq.com/s/matyTWXuZ_qs9hGfAl9_NQ
时间刺客--敖丙https://mp.weixin.qq.com/s/wlfurOBpxeaf6iy7CtHRlA
敖丙参加了一场温州游资的婚礼https://mp.weixin.qq.com/s/sM3hJe5z3_pCH-8GWs0iOA
敖丙枯燥无味的假期，一直在吃狗粮https://mp.weixin.qq.com/s/1jQnRCXdrUQzZInQmzABvA
送别了好友，敖丙跟你聊聊【离职】这个话题https://mp.weixin.qq.com/s/pHcgkDvKfElRIVZGd4Kzng
请照顾好自己，周末病魔差点一套带走我。https://mp.weixin.qq.com/s/5C4UjGtHoZVu8uI4yP5wRg
敖丙我参加了蘑菇街年会，流了一晚上鼻血https://mp.weixin.qq.com/s/fkByjmdaqdw0TELDzdm5mQ
曾经我们并肩作战，敬未来一杯，敬资本一杯https://mp.weixin.qq.com/s/s9HPYYi9VfYMt7UGCTqWVw
敖丙我写了一个新手都写不出的低级bug，被骂惨了。https://mp.weixin.qq.com/s/yB9s771gDz6oMKZsUnJuyg
敖丙的第一次相亲，还没开始，就已经结束了。https://mp.weixin.qq.com/s/mLLbpnI1pVnlUzL7H3EuNQ
我的母亲https://mp.weixin.qq.com/s/yGcgvp9s18CERp9nx2iigw
贵州打工仔回家过年，遭遇流感，被隔离，偶遇读者，偶遇直播同行...https://mp.weixin.qq.com/s/MXSWBVQyVD4OW0tjy5UO8Q
敖丙回家过年，外婆说没带女朋友别回来了？喝了老爸89年的酒，当场反目。https://mp.weixin.qq.com/s/pQrepZAbgP59gmj42Z1kdA
书房翻杂物，看到初恋的信件，看到奖牌，看到梅西、力宏，帅丙的眼角又湿了.....https://mp.weixin.qq.com/s/VECNJbVV0Bz8PKlG8pYwVw
疫情之下，从一座空城，到另一座空城，贵州小伙带你看不一样的杭州https://mp.weixin.qq.com/s/8blBtbBLJtVvpnrJ7tmh_g
昂，我24岁了https://mp.weixin.qq.com/s/_HCBjYI9bcNy-zBHu58l7g
Java/后端学习路线https://mp.weixin.qq.com/s/5QpuDtXAalR-pz59B5t27g
整理的书单(附个人喜欢的文学书)https://mp.weixin.qq.com/s/Wod2cGjGkGeB0iLVAqpksQ
敖丙大学四年自学走来，这些私藏的实用工具/学习网站我贡献出来了https://mp.weixin.qq.com/s/7NS452k5hVPW0dUQ-oTi-A
整理好用的工具集https://mp.weixin.qq.com/s/WYiXHVJ-p1sZAf4jb5gIXg
通用的学习方法https://mp.weixin.qq.com/s/JX72OoiNrZ9R0DTuOOtcoA
IDEA破解(请勿传播)https://github.com/AobingJava/JavaFamily/blob/master/docs/idea/idea.md
电子书(请勿传播)https://github.com/AobingJava/JavaFamily/blob/master/docs/idea/%E7%94%B5%E5%AD%90%E4%B9%A6.md
面试资料(持续更新)https://github.com/AobingJava/JavaFamily/blob/master/docs/idea/%E8%B5%84%E6%96%99.md
简历模板(欢迎补充)https://github.com/AobingJava/JavaFamily/blob/master/docs/idea/%E8%B5%84%E6%96%99.md
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https://space.bilibili.com/130763764https://space.bilibili.com/130763764
http://live.bilibili.com/21996111（每周五可能）http://live.bilibili.com/21996111%EF%BC%88%E6%AF%8F%E5%91%A8%E4%BA%94%E5%8F%AF%E8%83%BD%EF%BC%89
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https://www.zhihu.com/people/aobingJavahttps://www.zhihu.com/people/aobingJava
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https://juejin.im/user/59b416065188257e671b670ahttps://juejin.im/user/59b416065188257e671b670a
https://segmentfault.com/u/aobinghttps://segmentfault.com/u/aobing
https://my.oschina.net/javaFamilyhttps://my.oschina.net/javaFamily
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