Simple Program for Length of String Using Pointer In C++
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About this program
This is an example program in c pointer example programs. Read the concept first: Pointer Example Program in C++, then study the code and output below.
Simple Program for Find or Calculate Length of String Using Pointer
/* Simple Program for Length of String Using Pointer in C++*/
/* Print Pointer Address C++ Program,C++ Pointer Examples */
// Header Files
#include <iostream>
#include<conio.h>
using namespace std;
int main() {
// Declare Variables
char str[20], *pt;
int i = 0;
cout << "Pointer Example C++ Program : Calculate Length of String \n";
cout << "Enter Any string [below 20 chars] : ";
cin>>str;
// Assign to Pointer Variable
pt = str;
while (*pt != '\0') {
i++;
pt++;
}
cout << "\nLength of String : " << i;
getch();
return 0;
}Sample Output:
Pointer Example C++ Program : Calculate Length of String
Enter Any string [below 20 chars] : littledrops
Length of String : 11Related Pages
Learn the concept first, then study the code:
- C++ Programs — Browse all C++ Programs.
- Pointer Example Program in C++ — Concept — pointers, addresses and dereferencing in C++.
- Simple Program for Print address of Variable Using Pointer in C++ — More in c pointer example programs.
- Pointer Simple Example Program with Reference operator (&) and Dereference operator (*) — More in c pointer example programs.
Frequently Asked Questions
What does this C++ program do?
It is a C++ example program that demonstrates Simple Program for Length of String Using Pointer, including the complete source code and the expected sample output.
How do I compile and run this C++ program?
Save the code in a `.cpp` file, compile it with `g++ filename.cpp -o program`, then run it with `./program` (or `program.exe` on Windows).
What concepts does this example use?
This example uses loops to iterate over data, arrays and reading user input, illustrating a common pattern in C++ programming.