CPP

string length in C++

let str ="Hello World!     "
console.log(str.length);
//17

string length in c++

// string::length
#include <iostream>
#include <string>

int main ()
{
  std::string str ("Test string       ");
  std::cout << "The size of str is " << str.length() << " bytes.
";
  return 0;
}
//The size of str is 18 bytes.

strring length in c++

#include<string.h>
string s;
cin>>s;
int len;
len=s.length();

create a string of length c++

#include <string>
#include <iostream>

int main()
{
    std::string s(21, '*');

    std::cout << s << std::endl;

    return 0;
}