Use stream manipulators in <iomanip> to format your numeric data to string. - C++ Data Type

C++ examples for Data Type:Number Format

  1. HOME
  2. C++
  3. Data Type
  4. Number Format

Description

Use stream manipulators in <iomanip> to format your numeric data to string.

Demo Code

#include <iostream>
#include <iomanip>
#include <string>
#include <sstream>

using namespace std;


int main() {//  ww w.j  a  va2s. c  om

   stringstream ss;

   ss << "There are " << 9 << " test cases.";
   cout << ss.str() << endl;  // stringstream::str() returns a string with the contents

   ss.str("");                   // Empty the string

   ss << showbase << hex << 16;  // Show the base in hexadecimal

   cout << "ss = " << ss.str() << endl;

   ss.str("this is a test");

   ss << 3.14;

   ss << setprecision(6) << 3.14285;

   cout << "ss = " << ss.str() << endl;
}

Result


Related Tutorials