Chapter 11, Problem 12E

Complete program:

//Import required packages

import java.util.*;

//Definition of class Count

public class Count

{

    //Definition of class main

    public static void main(String[] args)

    {

        //Declare the variable "s" as string

        String s;

        //Create an object for scanner class

        Scanner sc = new Scanner(System.in);

        //Get the string from the user

        System.out.println("Enter the string:");

        //Get the values

        s = sc.next();

        //Call the method "DeleteVowel"

        int result = CountVow(s);

        //Print the vowel count

System.out.println("Number of vowels in the given string: " + result);

    }

    //Definition of method "CountVow()"

    public static int CountVow(String s)

    {

        //Declare the variable "res"

        int res;

        //Check if the length is equal to "0"

        if (s.length() == 0)

            //Assign "res" to "0"

            res = 0;

        else {

//Check whether the character is vowel by calling the method "isVowel()"

            if (isVowel(s...