Count the number of vowels in the given string by using queue

import java.util.*;

class Count

{

public static void main(String args[])

{

String input=”queue”;//4

Queue<Character> q=new LinkedList<>();

int count=0;

for(char ch:input.toCharArray())//e

{

q.add(ch);//e

}

while(!q.isEmpty())//true

{

char ch=q.remove();

if(“aeiouAEIOU”.indexOf(ch)!=-1)//indexof returns -1 if value is not found

{

count++;

}

}

System.out.println(count);

}}