count vowels in java
import java.util.*;
class CountVowel
{
public static void main(String args[])
{
Scanner sc = new Scanner(System.in);
System.out.println("Enter to count vowels: ");
String input = sc.nextLine();
String s = input.toLowerCase();
int l = input.length();
int c = 0;
for(int i = 0; i <= l - 1; i++)
{
char d = s.charAt(i);
if(d == 'a' || d == 'e' || d == 'i' || d == 'o' || d == 'u')
{
c++;
}
}
System.out.println("Number of Vowels: " + c);
sc.close();
}
}