CPP Program to find length of string

Here,you will find the knowledge about how to find the length of the string or size of string in the cpp programming language.

To find the length of string object size () and length() both functions are used.They are synonyms to each other and exactly done same job.


Code:

#include <iostream>

using namespace std;


int main()

{

    string str = "C++ Programming";


    // can  use str.length()

    cout << "String Length = " << str.length()<<endl;

    //also use str.size()

     cout << "String Length = " << str.size();


    return 0;

}


Output:

String Length = 15

String Length = 15



In the cpp, another way to calculate the length by using a function  from the library cstring


Code:

#include <iostream>

#include<cstring>

using namespace std;


int main()

{

    char str[] = "C++ Programming";


    cout << "String Length = " << strlen(str)<<endl;

    


    return 0;

}


Output:

String Length = 15


 

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