string.cpp

标准模板库STL常用代码

#include <string>
#include <iostream>
using namespace std;
int main()
{
    string s,str;
    s="abc";
    str="ab";
    cout<<s<<endl;    
    cout<<"size:"<<s.size()<<endl;    
    
    
    cout<<str<<endl;
    cout<<"size:"<<str.size()<<endl;  
    
    cout<<"After Append:"<<endl;
    s.append(str);
    cout<<s<<endl;
      
    return 0;
}