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C Programming Exercises

C Programming: Check whether a letter is uppercase or not

C String: Exercise-24 with Solution

Write a program in C to check whether a letter is uppercase or not.

C Programming: Check whether a letter is uppercase or not

Sample Solution:

C Code:

#include<stdio.h>
#include<ctype.h>

int main()
{
	char TestChar;
	printf("\n Check whether a letter is uppercase or not :\n");  
    printf("------------------------------------------------\n");      
    printf(" Input a character : "); 
    scanf( "%c", &TestChar );
	if( isupper(TestChar) )
		printf( " The entered letter is an UPPERCASE letter. \n" );
	else
		printf( " The entered letter is not an UPPERCASE letter. \n" );
	return 0;
}

Sample Output:

 Check whether a letter is uppercase or not :
------------------------------------------------
 Input a character : p
 The entered letter is not an UPPERCASE letter.

Flowchart :

Flowchart: Check whether a letter is uppercase or not

C Programming Code Editor:

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