How to concatenate a std::string and an int

Question

How to concatenate a std::string and an int

I thought this would be truly basic, however, it's performing a few challenges. In the event that I have

std::string name = "John";

int age = 21;

How would I join them to get an individual string "John21"?

concatenation integer cpp

3 years ago by vishaljlf39

2 Answers

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**akshay1995** · Answer 1 · 2021-05-29T08:52:35

akshay1995

In C++11, you can use std::to_string, e.g.:



auto result = name + std::to_string( age );

3 years ago

**kshitijrana14** · Answer 2 · 2021-05-31T15:27:52

kshitijrana14

#include <iostream>

#include <sstream>



std::ostringstream o;

o << name << age;

std::cout << o.str();

3 years ago

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How to concatenate a std::string and an int

2 Answers

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