import java.util.Scanner;

public class Example1 {

public static void main(String[] args) {
    char arr[] = { 'a', 'e', 'i', 'o', 'u' };
    String brr;
    boolean flag = false;
    Scanner sc = new Scanner(System.in);
    char ch;
    System.out.println("Enter any character:");
    brr = sc.nextLine();
    if (brr.length() > 1)
        System.out.println("It is not character. Please enter character");
    else {
        ch = brr.charAt(0);
        System.out.println("It is character. " + ch);
        for (int i = 0; i < arr.length; i++) {
            if (arr[i] == ch) {
                flag = true;
                break;
            }
        }
        if (flag)
            System.out.println(ch + " is vowel.");
        else
            System.out.println(ch + " is consonant.");
    }
}

}

Is this code is fruitful for you.

+++++++++ knapster +++++++++

import java.util.Scanner;

public class Example1 {

public static void main(String[] args) {
    char arr[] = { 'a', 'e', 'i', 'o', 'u' };
    String brr;
    boolean flag = false;
    Scanner sc = new Scanner(System.in);
    char ch;
    System.out.println("Enter any character:");
    brr = sc.nextLine();
    if (brr.length() > 1)
        System.out.println("It is not character. Please enter character");
    else {
        ch = brr.toLowerCase().charAt(0);
        for (int i = 0; i < arr.length; i++) {
            if (arr[i] == ch) {
                flag = true;
                break;
            }
        }
        if (flag)
            System.out.println(brr + " is vowel.");
        else
            System.out.println(brr + " is consonant.");
    }
}

}