用户输入

string str = @“C:\a\b\c”;

Console.WriteLine(str);

\\输出为  C:\a\b\c

Console.WriteLine("C:\\a\\b\\c"); 

//结果是C:\a\b\c    。\\输出为\

@作用：所有转移字符无效

+   连接符

double

int

char    一个字

思维导图工具

processon.com

Main

Console.WriteLine("\"");    //输出  \"

\"   输出>>   "

\\\"   输出>>   \"

\n 换行    \t 制表

Console.WriteLine("输出文字")；    //带换行

Console.Write("输出文字")；            //无换行

Console.WriteLine("Hello World");

hear

cry

What's  wrong  with  you?

hurt

knee

hand

move

elbow

neck

cough

fever

stomachache

safety  first

helmet

near

knife

hear

cry

What's  wrong  with  you？

hurt

knee

hand

move

elbow

neck

cough

fever

stomachache

safety  first

helmet

near

knife

hear

cry

What's  wrong  with  you?

hurt

knee

hand

move

elbow

neck

cough

fever

stomachache

safety  first

helmet

near

knife

Console.WriteLine

Console.WriteLine("********");

hear听见

cry 哭

What's  wrong  with  you?   你怎么了？        

hurt疼痛

knee膝盖

hand手

move移动

elbow肘

neck脖子

cough咳嗽

fever发烧

stomachache胃疼

safety  first 安全第一

helmet头盔

near靠近

knife小刀 

从今天开始

a+b 

c=4

7

16

16

12

OK

wo

计算平均年龄题目