Vowels

import java.util.Scanner;

public class Vowels {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.println("Enter a sentence:");
        String line = scanner.nextLine();
        int count = 0;
        for (int i = 0; i < line.length(); i++) {
            if ('a' == line.charAt(i)
                    || 'o' == line.charAt(i)
                    || 'u' == line.charAt(i)
                    || 'e' == line.charAt(i)
                    || 'i' == line.charAt(i)
                    || 'y' == line.charAt(i)) {
                count++;
            }
        }
        System.out.println("The number of vowels is " + count);
    }
}