CPP

strlen in cpp

#include <cstring>
#include <cstring>

using namespace std;

int main(void) {
  char stringName[] = "This contains the content of your string";
  int stringLength = strlen(stringName);
  cout << "String: " << stringName << endl << "Length of String: " << stringLength << endl;
  
  return 0;
}

strlen in c++

#include <cstring>
strlen(str);

strlen c++ program

#include<iostream>
#include<cstring>
using namespace std;
int main()
{
	char first[500];
	cout<<"what is your favorite word : ";
	cin>>first;
	cout<<(strcat(first," Is a good choice"))<<endl;
	cout<<"Size ;"<<(strlen(first));
	return 0;
}

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.