indexing strings in c 2b 2b

1#include <string>
2#include <iostream>
3
4int main(){
5  //index string by using brackets []
6  std::string string = "Hello, World!";
7  //assign variable to string index
8  char stringindex = string[2];
9  
10}

1// string::operator[]
2#include <iostream>
3#include <string>
4
5int main ()
6{
7  std::string str ("Test string");
8  for (int i=0; i<str.length(); ++i)
9  {
10    std::cout << str[i];
11  }
12  return 0;
13}