C++ String Class

#include<iostream>

#include<string>

using namespace std;

int main()

{

    string str1 = "Aubdur Rob";

    string str2 = " Anik";

    string str3;

    str3 = str1;

    cout << "Str3 : " << str3 << endl;

    str3 = str1 + str2;

    cout << "Add Two String str3 :: " << str3 << endl;

    int len = str3.size();

    cout << "Length of Str3 :: " << len << endl;

    return 0;

}