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

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

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

	return 0;


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 

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