C program to print all uppercase alphabets using while loop

This is an example of while loop in C programming language - In this C program, we are going to print all uppercase alphabets from 'A' to 'Z' using while loop.
Submitted by IncludeHelp, on March 07, 2018

To print the uppercase alphabets from 'A' to 'Z',

We will declare a variable for loop counter (alphabet) and initialize it by 'A' (uppercase 'A').
We will check the condition whether loop counter is less than or equal to 'Z', if condition is true numbers will be printed.
If condition is false – loop will be terminated.

Program to print all uppercase alphabets from 'A' to 'Z' using while loop in C

#include <stdio.h>

int main() {
  //loop counter or a variable that
  //will store initial alphabet,
  //from where we will print the alphabets
  char alphabet;
  //assigning 'A' as initial alphabet
  alphabet = 'A';

  //print statement
  printf("Uppercase alphabets:\n");

  //loop statement, that will check the condition
  //and print the alphabets from 'A' to 'Z'
  while (alphabet <= 'Z') {
    //printing the alphabets
    printf("%c ", alphabet);
    //increasing the value by 1
    alphabet++;
  }

  return 0;
}

Output

Uppercase alphabets:
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z