Chapter 11, Problem 13E

Complete program:

//Import required packages

import java.util.*;

//Definition of class Delete

public class Delete

{

    //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"

        String  result = DeleteVowel(s);

        //Print the result

System.out.println("String after deleting the vowels: " + result);

    }

    //Definition of method "isVowel"

    public static boolean isVowel(char ch)

    {

        //Check and return the result

return ch == 'a' || ch == 'e' || ch == 'i' || ch == 'o' || ch == 'u'

|| ch == 'A' || ch == 'E' || ch == 'I' || ch == 'O' || ch == 'U';

    }

    //Definition method DeleteVowel

    public static String DeleteVowel(String s)

    {

        //Declare the variable "res"

        String res;

        //Check whether the string length is 0

        if (s...