1、首先创建一个抽象父类：packageclasses;publicabstractclassBasePrint{publicabstractvoidprint();}2、创建两个打印类继承抽象父类：packageclasses;publicclass

\只是记录学习的点滴,错误请指出\\\1.装饰器模式能解决什么问题1:Responsibilitiesshouldbeaddedto(andremovedfrom)anobjectdynamicallyatruntime.2:Aflexibleal

1、ArrarList转换为string\\：　　ArrayListlistnewArrayList();　　list.Add("aaa");　　list.Add("bbb");　　string\\arrString(string\\)list.ToArray(typeof(string));2、string\\转换

void inplace_swap(int x, int y){    y  x ^ y; //Step 1    x  x ^ y; //Step 2    y  x ^ y; //Step 3 }int main(){  

Typescript开发环境的最佳实践0️⃣gitinit（略）1️⃣️️初始化：$yarnaddDtsnodetypescript2️⃣生成tsconfig.json：$yarntscinit3️⃣配置TSLint：$

redis序列化选择方式1publicCacheManagercacheManager(RedisTemplateredisTemplate){2//设置序列化Key的实例化对象3redisTemplate.setKeySerializer(newStringRedisS

In2:pcache.pubsub()In3:pOut3:<redis.client.PubSubat0x10fecb748In5:defecho_message(message):...:print("")

1、安装压测工具curlshttps://packagecloud.io/install/repositories/akopytov/sysbench/script.rpm.sh|sudobashyumyinstallsysbench2、执行压测命令sysbenchdb

startup.sh!/bin/bashecho$(basename$(pwd))"jettystarted"cdjettynohupjavaXmx8gXms8gXmn4gXX:PermSize2gXX:MaxPermSize4gXX:CMSClassUn

存储文本信息表CREATETABLEWordInfoEntity(word_idVARCHAR(32)PRIMARYKEYNOTNULL,主键IDUUIDword_gredaINTNOTNULL,等级：0：正文文本1，2，3，4等级