vowelChecker.java

import java.util.Scanner;

public class vowelChecker {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.print("Enter a single character: ");
        char ch = scanner.next().charAt(0);

        // Check if the character is an alphabet character
        if ((ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z')) {
            // Check if the character is a vowel
            if (ch == 'a' || ch == 'e' || ch == 'i' || ch == 'o' || ch == 'u' ||
                    ch == 'A' || ch == 'E' || ch == 'I' || ch == 'O' || ch == 'U') {
                System.out.println(ch + " is a vowel.");
            } else {
                System.out.println(ch + " is a consonant.");
            }
        } else {
            // If it's not an alphabet character, it's invalid input
            System.out.println(ch + " is not a valid alphabet character.");
        }
    }
}