#include <iostream> #include <string> using namespace std; int main() {//char字符數組的的合并char ch1[40] = "what's your name ";char ch2[] = "my name is jack";strcat(ch1,ch2);cout<<"ch1:"<<ch1<<endl;cout<<"ch2:"<<ch2<<endl<<endl<<endl;//string類字符串的合并string str1 = "what's your name ";string str2 = "my name is jack";str1= str1 + str2;cout<<"str1:"<<str1<<endl;cout<<"str2:"<<str2<<endl;cout<<strlen(str1.c_str())<<endl;//將一個string對像轉換為char字符串數組cout<<"str1.size:"<<str1.size()<<endl;cout<<"str2.size:"<<str2.size()<<endl;cout<<"str1.strlen:"<<str1.length()<<endl;cout<<"str2.strlen:"<<str2.length()<<endl;string str3;cout<<"str3.size:"<<str3.size()<<endl;return 0; }

　　

轉載于:https://www.cnblogs.com/xiangxiaodong/archive/2012/09/19/2694486.html

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