C++入门–3.0复合类型

#include<iostream>
#include<cstring>//cstring头文件
 using namespace std;

 int main()
 {
	 //----------------------1.0 字符数组----------------------------
	 //初始化 方法1
	 //char dog[8]={'a','b','c','d','e','f','g','h'};
	 //char cat[8]={'a','b','c','d','e','f','g','\0'};

	 ////法2初始化
	 //char dog_B[8]="yanggan";
	 //char cat_B[8]="justtes";//输入不能超过7个，第8位默认为 ‘\0’ 

	 //for(int i=0;i<8;i++)
	 //{
		//cout<<dog_B[i];
	 //}

 	 //----------------------2.0字符数组中 使用字符串----------------------------
	 const int Size =15;
	 char name1[Size];
	 char name2[Size]="c++cowboy";

	 cout<<"hello,i am "<<name2<<"!,what is your name?"<<endl;
	 cin>>name1;

	 //sizeof()计算数字长度，而strlen()计算数组中字符串的长度。
	 cout<<"well,"<<name1<<",you name has "<<strlen(name1)<<" letter.\n";//计算字符长度
	 cout<<"And is stored in an array of "<<sizeof(name1)<<" bytes."<<endl;//计算数组长度

	 name2[3]='\0';//用 '\0'替换掉字符数组中第三个，然后输出时候读取到'\0'就停止了
	 cout<<"Here are the first 3 characters of my name : "<<name2<<endl;
	
	







 }