create a program that displays vowel letters in java code example

Example 1: enter character vovel or not java

/* Java Program Example - Check for Vowel */
		
import java.util.Scanner;

public class JavaProgram
{
    public static void main(String args[])
    {
        char ch;
        Scanner scan = new Scanner(System.in);
		
        System.out.print("Enter an Alphabet : ");
        ch = scan.next().charAt(0);
		
        if(ch=='a' || ch=='A' || ch=='e' || ch=='E' ||
        ch=='i' || ch=='I' || ch=='o' || ch=='O' ||
        ch=='u' || ch=='U')
        {
            System.out.print("This is a Vowel");
        }
        else
        {
            System.out.print("This is not a Vowel");
        }
    }
}

Example 2: all consonants java array

char[] consonants = {'B', 'C', 'D', 'F', 'G', 'H', 'J', 'K', 'L', 'M', 'N', 'P', 'Q', 'R', 'S', 'T', 'V', 'W', 'X', 'Z'};