Determining Size of a String In C++

#include <iostream>
using namespace std;
int main()
{
    string str = "Programming in C++";
    cout << "Sentence: "<< str << endl;
    cout <<"\nSize of the String: " << str.size(); // also str.length()
    return 0;
}

Sentence: Programming in C++
Size of the String: 18

• A string Programming in C++ was initialized in the code.
• size () function is used to calculate the string size in the code. length () function can also be used for this purpose.
• The size is displayed on the screen.

#include <iostream>
#include <cstring>
using namespace std;
int main()
{
    char str[] = "Programming in c++";
    cout << "Sentence: "<< str << endl;
    cout << "Size of the String: " << strlen(str);
    return 0;
}

Sentence: Programming in C++
Size of the String: 18

• This code is similar to program 1. It just accepts a Character Style String from the user and not the string object like program 1.