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C program to check whether a character is VOWEL or CONSONANT using switch

This program will read a character from user and check whether it is VOWEL or CONSONANT if entered character was an alphabet using switch case statement in c programming language.

Check VOWEL or CONSONANT program using switch

/*C program to check whether a character is 
VOWEL or CONSONANT using switch.*/

#include <stdio.h>

int main() {
  char ch;

  printf("Enter a character: ");
  scanf("%c", & ch);

  //condition to check character is alphabet or not
  if ((ch >= 'A' && ch <= 'Z') || (ch >= 'a' && ch <= 'z')) {
    //check for VOWEL or CONSONANT
    switch (ch) {
    case 'A':
    case 'E':
    case 'I':
    case 'O':
    case 'U':
    case 'a':
    case 'e':
    case 'i':
    case 'o':
    case 'u':
      printf("%c is a VOWEL.\n", ch);
      break;
    default:
      printf("%c is a CONSONANT.\n", ch);
    }
  } else {
    printf("%c is not an alphabet.\n", ch);
  }

  return 0;
}

Output

First Run:
Enter a character: E  
E is a VOWEL.  
 
Second Run:
Enter a character: X
X is a CONSONANT.

Third Run:
Enter a character: +
+ is not an alphabet.

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