田宇任

1. #include<iostream>
   
2. #include<sstream>
   
3. #include<cstdlib>
   
4. using namespace std;
   
5. int main()
   
6. {
   
7.     stringstream king;
   
8.     string str1="abc",str2="def",str3,str4;
   
9.     king<<str1;
   
10.     cout<<"king: "<<king.str()<<endl;
    
11.     king>>str3;
    
12.     cout<<"str3: "<<str3<<endl;
    
13.     king.str("");
    
14.     king.clear();
    
15.     king<<str2;
    
16.     cout<<"king: "<<king.str()<<endl;
    
17.     king>>str4;
    
18.     cout<<"str4: "<<str4<<endl;
    
19.     system("pause");
    
20.     return 0;
    
21. }

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