import java.util.Scanner;

public class VowelOrConsonant {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);

// Input a character
System.out.print(“Enter a letter: “);
char ch = sc.next().charAt(0);

// Convert to lowercase for simplicity
ch = Character.toLowerCase(ch);

// Check if it’s an alphabet
if ((ch >= ‘a’ && ch <= ‘z’)) {
if (ch == ‘a’ || ch == ‘e’ || ch == ‘i’ || ch == ‘o’ || ch == ‘u’) {
System.out.println(“The letter is a vowel.”);
} else {
System.out.println(“The letter is a consonant.”);
}
} else {
System.out.println(“Invalid input. Please enter an alphabet letter.”);
}

sc.close();
}
}