Q. C# program to check whether a character is vowel or consonant.

Here you will find an algorithm and program in C# programming language to check whether the given character is vowel or consonant.

Explanation : In English, five alphabets A, E, I, O, and U are called as Vowels. In English, all alphabets other than vowels are Consonant.

Algorithm to check whether a character is vowel or consonant

START
Step 1 - Input the alphabets.
Step 2 - Check if the alphabets is (a, e, i, o, u) if alphabet is among these then it is vowel.
Step 3 - If the alphabets is vowel than print Vowel otherwise print Consonant.
STOP

C# Program to Check Vowel or Consonant

using System;
public class LFC
{
  public static void Main(string[] args)
  {
    char ch='P';
    if((ch >= 'A' && ch <= 'Z')||ch >= 'a' && ch <= 'z')
    {
      if (ch == 'a' || ch == 'A' || ch == 'e' || ch == 'E' || ch == 'i'
      || ch == 'I' || ch == 'o' || ch == 'O' || ch == 'u' || ch == 'U')
      {
        Console.WriteLine(ch + " is a vowel");
      }
      else
      {
        Console.WriteLine(ch + " is a consonant");
      }
    }
    else
    {
      Console.WriteLine(ch + " is not an alphabet");
    }
  }
}

Output

P is a consonant.