In this lesson, you will learn about C++ while loop with a few examples.

C++ while Loop

Below is the syntax of the while loop in C++

Basic syntax

while (condition) {
// body of the while loop
}

In the basic syntax of the while loop,

Example

//Program prints 3 integers
#include <iostream>

using namespace std;
int main() {
  int number = 3;
  while (number >= 1) {
    cout << number << " ";
    number--;
  }
  return 0;
}

Output

3 2 1

That’s how the program performs

This concludes the C++ while loop lesson. The next lesson will learn about the “do while” in C++.