/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		int[] vowelCodePoints = "aeiouy".codePoints().sorted().toArray();
 
		int[] codePoints = "testy".codePoints().toArray();
		List < Integer > indicesOfVowels = new ArrayList <>( codePoints.length );
		for ( int index = 0 ; index < codePoints.length ; index++ )
		{
		    int position = Arrays.binarySearch( vowelCodePoints , codePoints[ index ] );
		    if ( position >= 0 )
		    {
                String vowel = Character.toString( codePoints[ index ] );
                System.out.println( "Vowel: " + vowel + " | Index: " + index );
		    }
		}
	}
}

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