[TOC]
https://www.cnblogs.com/song1314/articles/4568379.html
https://www.cnblogs.com/superjt/p/4311577.html http://www.cnblogs.com/hongwz/p/5764917.html
https://www.ibm.com/developerworks/cn/java/j-lo-proxy-pattern/ https://blog.csdn.net/DoUUnderstand/article/details/78865385 https://www.cnblogs.com/bigmonkeys/p/7823268.html
https://blog.csdn.net/qq_18860653/article/details/53218117 https://blog.csdn.net/hsj1213522415/article/details/78166741
https://blog.csdn.net/wuruijiang/article/details/78970547
https://www.cnblogs.com/leskang/p/6101368.html https://www.cnblogs.com/hujiapeng/p/5765636.html
https://blog.csdn.net/u011410529/article/details/66974974
https://blog.csdn.net/wangbiao007/article/details/53183764
https://blog.csdn.net/bao19901210/article/details/41724355
http://www.3xmq.com/article/1522809264295
https://blog.csdn.net/o_ozbl/article/details/79580287
https://blog.csdn.net/jjjjjj123321/article/details/54135413
https://blog.csdn.net/u013894427/article/details/53468038
https://blog.csdn.net/oguro/article/details/53413861
https://www.cnblogs.com/ysocean/p/6516248.html https://blog.csdn.net/codejas/article/details/78635926
https://blog.csdn.net/p106786860/article/details/52686245
https://blog.csdn.net/w_q_q_/article/details/79032062
https://www.cnblogs.com/biyeymyhjob/archive/2012/07/20/2601655.html https://blog.csdn.net/wjwj1203/article/details/8109000
http://www.cnblogs.com/shenliang123/archive/2012/04/16/2452206.html
https://blog.csdn.net/vk5176891/article/details/53945677
https://blog.csdn.net/qq_32679815/article/details/78907437
https://www.cnblogs.com/zx-bob-123/archive/2017/12/26/8118074.html
https://blog.csdn.net/silyvin/article/details/79102415
https://blog.csdn.net/qq_27093465/article/details/52269862
https://blog.csdn.net/weixin_28953659/article/details/80481886
https://blog.csdn.net/weixin_30531261/article/details/79329722
https://blog.csdn.net/sinat_29912455/article/details/51125748
https://blog.csdn.net/sinat_32588261/article/details/72880159 https://blog.csdn.net/luoweifu/article/details/46613015
https://blog.csdn.net/hunterliy/article/details/53954197
https://blog.csdn.net/u012403290/article/details/64910926
https://blog.csdn.net/ismahui/article/details/75726188 http://www.cnblogs.com/jinshuai86/p/9226164.html
https://blog.csdn.net/u012973218/article/details/51280044 https://blog.csdn.net/qq_34952110/article/details/78086085 https://www.cnblogs.com/waytobestcoder/p/5323130.html
https://www.cnblogs.com/su-feng/p/6659064.html
《深入理解Java虚拟机》
https://www.cnblogs.com/qifengshi/p/6831055.html https://blog.csdn.net/g1607058603/article/details/80893711
《深入理解Java虚拟机》P209 http://www.importnew.com/25295.html
wait()会释放对象锁而sleep()不会释放对象锁
进程:可并发执行的,具有独立功能的程序在一定数据集合上的一次执行过程,是操作系统进行资源分配和调度的基本单位。(管道,FIFO,消息队列,信号量,共享内存,套接字) 线程:操作系统中能够独立执行的实体,是进程的组成部分,是处理器调度的基本单位。(共享内存,wait/notify,管道,lock/condition)
https://www.cnblogs.com/CodingAndRiding/p/7619759.html
https://blog.csdn.net/feilzhang/article/details/80554328
https://blog.csdn.net/yezitoo/article/details/78193794
https://blog.csdn.net/linsongbin1/article/details/54980801
https://blog.csdn.net/m0_37812513/article/details/78775629
https://blog.csdn.net/qzcsu/article/details/72861891
应用层(HTTP,FTP,SMTP,DNS,TELNET,HTTPS,POP3,DHCP)
表示层(JPEG,ASCII)
会话层
传输层(TCP,UDP)网络层(IP,ICMP,ARP)
链路层
物理层
TDP:HTTP,FTP,SMTP,TELNET,POP3 UDP:DNS,SNMP
21:FTP连接 20:FTP数据传输 22:SSH 80:HTTP,NGINX 443:HTTPS 23:TELNET 8080:WWW
https://blog.csdn.net/q1056843325/article/details/53147180
https://blog.csdn.net/xiaobangkuaipao/article/details/76793702
https://blog.csdn.net/qq_26360877/article/details/70665820
https://www.cnblogs.com/shiyangxt/articles/1305506.html
1NF:每一列属性不可再分(原子性) 2NF:满足1NF,所有列依赖于主键 3NF:满足2NF,每列与主键直接相关,不是间接相关
https://blog.csdn.net/silyvin/article/details/79332879
https://www.cnblogs.com/huanongying/p/7021555.html
https://www.cnblogs.com/shynshyn/p/7887742.html
https://blog.csdn.net/waeceo/article/details/78702584
https://blog.csdn.net/liutong123987/article/details/79384395
https://www.cnblogs.com/ziqiumeng/p/7680204.html
https://blog.csdn.net/xuehuagongzi000/article/details/78985844
https://blog.csdn.net/sinat_36246371/article/details/54582904
https://blog.csdn.net/lohannes/article/details/79031435
串行化,MVCC https://blog.csdn.net/fanghanwen_fei/article/details/77884891
https://www.cnblogs.com/jhcelue/p/6852258.html
http://www.runoob.com/redis/redis-data-types.html
https://blog.csdn.net/u010785685/article/details/52366977 https://www.cnblogs.com/AndyAo/p/8135980.html
https://www.cnblogs.com/xuliangxing/p/7151812.html
单例模式(懒汉式,饿汉式等) 手写 (check)
https://www.cnblogs.com/hupp/p/4487521.html