C++ Program to Find the Length of a String

Here is a C++ program to calculate string length using while loop.

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C++ program to find the length of a string

#include <iostream>

using namespace std;
 
int main(){
    char str[1000];
    int length = 0;
    cout << "Enter a string\n";
    cin.getline(str, 1000);

    while(str[length] != '\0'){
     length++;
    }
     
    cout << "Length of String is : " << length << endl;
     
    return 0;
}

Output

Enter a string
techcrashcourse
Length of String is : 15

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