Question

How to clear ostringstream in C++

Answer 1

#include <iostream>
#include <string>
#include <sstream>
 
using std::cout;
using std::endl;
using std::string;
 
int main()
{
    int n1 = 9023;
 
    std::ostringstream oss;
    oss << n1;
    string s = oss.str();
    cout << s << endl;

    // clear ostringstream 
    oss.str("");
    oss.clear();
    
    int n2 = 856;
    oss << n2;
    s = oss.str();
    cout << s << endl;
}
 
 
/*
run:
 
9023
856
 
*/

 

 

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