善用搜索引擎（随便哪个都行）就足够了，不过下面这些网址，在我的工作学习中实实在在的给与了我一些帮助，所以，我想记下他们，感谢他们！
Java学习相关优质资源
https://qubit-labs.com/free-resources-learn-java-programming-online/
https://www.javamadesoeasy.com
https://www.tutorialspoint.com
https://javarevisited.blogspot.com/
https://www.geeksforgeeks.org/
https://www.manning.com/books/netty-in-action
https://livebook.manning.com/#!/book/netty-in-action/about-this-book/
线程
http://tutorials.jenkov.com/java-concurrency/race-conditions-and-critical-sections.html
https://www.freejavaguide.com/java-threads-tutorial.pdf
http://www.qnx.com/developers/docs/6.4.1/neutrino/getting_started/s1_procs.html
http://www.ruanyifeng.com/blog/2013/04/processes_and_threads.html
https://blog.csdn.net/zheng548/article/details/54669908
动态规划
https://www.zhihu.com/question/23995189
硬件内存
https://tech.meituan.com/2017/05/19/about-desk-io.html
https://cizixs.com/2017/01/03/how-slow-is-disk-and-network/
http://www.ruanyifeng.com/blog/2013/10/register.html
https://lrita.github.io/2018/06/30/programmer-should-know-about-memory-1/
java 内存模型
https://www.hollischuang.com/archives/2550
http://www.cs.umd.edu/~pugh/java/memoryModel/jsr133.pdf
http://ifeve.com/java-memory-model-0/
https://www.jianshu.com/p/bf158fbb2432
https://zhuanlan.zhihu.com/p/29881777
https://www.infoq.cn/article/java-memory-model-1
硬盘是怎么存储数据的?
https://cloud.tencent.com/developer/article/1360326
https://blog.csdn.net/shaochenshuo/article/details/72821089
https://www.zhihu.com/question/19586041
https://zhuanlan.zhihu.com/p/22482058
https://searchstorage.techtarget.com.cn/6-21181/
https://wizardforcel.gitbooks.io/vbird-linux-basic-4e/content/
内存是怎么存储数据的？
https://blog.csdn.net/guxiaonuan/article/details/78677423
https://www.kancloud.cn/chandler/programming_road/695582
http://www.cnblogs.com/ChandlerVer5/p/TCP-IP_http_Socket.html
http://outofmemory.cn/#csdn.geek
如何自己制造一台计算机？
https://www.waitingforfriday.com/?p=529
http://www.ruanyifeng.com/blog/2011/03/4-bit_computer.html
https://fastthread.io/
索引
https://www.programmerinterview.com/database-sql/selectivity-in-sql-databases/
https://zhuanlan.zhihu.com/p/23624390
https://hit-alibaba.github.io/interview/basic/db/DB-Index.html
https://www.liaoxuefeng.com/wiki/1177760294764384/1218728442198976
https://mp.weixin.qq.com/s?__biz=MzIxNTQ3NDMzMw==&mid=2247483701&idx=1&sn=bd229dd584f51ef4fe545d44ad8cdbf9&chksm=979688c7a0e101d1b5c752094013b78f5bd50ab905257ba82149d85d35ea07aba1a15b0e52b4&mpshare=1&scene=1&srcid=0409Tn66UYWSWvqEVlOpwGtR&key=6cd553e86912686a47d76f2d900b1b5b388c90b29708f016db3a6e1bcebe032220ba63626095c4298f32cda7d0d7bd11bded2365f05c32e522584dd149b98db0bb8549ef144cdca694665d31d35cfeef&ascene=0&uin=MzAzMjU4NDM3Nw%3D%3D&devicetype=iMac+MacBookPro12%2C1+OSX+OSX+10.12.4+build(16E195)&version=12020810&nettype=WIFI&lang=zh_CN&fontScale=100&pass_ticket=YHEmqDDX8hHkj5FiSVpQvjYqIMBDHHDS2po4mfJe%2BqIXlqwJI%2Bg7aJUZq0%2BDwGJ0
CAP 理论
https://www.cnblogs.com/doit8791/p/9545549.html
http://www.ruanyifeng.com/blog/2018/07/cap.html
https://mwhittaker.github.io/blog/an_illustrated_proof_of_the_cap_theorem/
Paxos算法
https://www.zhihu.com/question/19787937/answer/82340987
隔离级别
https://www.cnblogs.com/fjdingsd/p/5273008.html
https://blog.51cto.com/legehappy/1980844
http://database.51cto.com/art/201901/591260.htm
fastjson最佳实践
http://kimmking.github.io/2017/06/06/json-best-practice/
https://netfilter.org/
日志：
https://github.com/oldratlee/translations/blob/master/log-what-every-software-engineer-should-know-about-real-time-datas-unifying/README.md?utm_source=tuicool&utm_medium=referral
https://www.oschina.net/translate/log-what-every-software-engineer-should-know-about-real-time-datas-unifying?lang=chs&p=1
字符串的hashCode计算为啥使用31作为乘法因子
https://segmentfault.com/a/1190000010799123
https://stackoverflow.com/questions/299304/why-does-javas-hashcode-in-string-use-31-as-a-multiplier
https://bugs.java.com/bugdatabase/view_bug.do?bug_id=4045622
zk
https://segmentfault.com/a/1190000014479433
faceJob
https://github.com/Snailclimb/JavaGuide
零拷贝
https://www.cnblogs.com/f-ck-need-u/p/7615914.html
http://ifeve.com/linux%e9%9b%b6%e6%8b%b7%e8%b4%9d%e5%8e%9f%e7%90%86/
https://zhuanlan.zhihu.com/p/76640160
Redis的槽位为啥是16384=2的14次方？
https://github.com/antirez/redis/issues/2576
https://www.cnblogs.com/rjzheng/p/11430592.html
https://blog.csdn.net/sanwenyublog/article/details/53167544
如何编写工具类
https://xwjie.github.io/rule/util.html
es
https://blog.csdn.net/laoyang360/article/details/52244917
big data
https://blog.csdn.net/ToChangetheWorld/article/details/79676170
https://blog.csdn.net/w1573007/article/details/52966742
http://blog.bizcloudsoft.com/?p=292
基础面试题
https://blog.csdn.net/meism5/article/details/89021536
http://www.codeceo.com/article/java-interview-question.html
https://www.cnblogs.com/roucheng/p/javatimu.html
https://www.cnblogs.com/Jansens520/p/8608502.html
https://zhuanlan.zhihu.com/p/31734176
线程相关
https://codesjava.com/semaphore-in-java
数学和科学学习网站
https://www.tutorix.com/
dbcb config
https://commons.apache.org/proper/commons-dbcp/configuration.html
https://www.diycode.cc/topics/23
http://blog.chinaunix.net/uid-24777472-id-2579462.html