Introduction to Java Programming and Data Structures, Comprehensive Version Plus MyProgrammingLab with Pearson EText -- Access Card Package
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Chapter 27, Problem 27.4PE

(Modify MyHashMap with duplicate keys) Modify MyHashMap to allow duplicate keys for entries. You need to modify the implementation for the put(key, value) method. Also add a new method named getAl1(key)that returns a set of values that match the key in the map.

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(Implement MyLinkedList) The implementations of the methods contains(E e), get(int index), indexOf(E e), lastIndexOf(E e), and set(int index, E e) are omitted in the MyLinkedList class. Implement these methods. Define a new class named MyLinkedListExtra that extends MyLinkedListto override these methods. Test your new MyList class using the code at  import java.util.*; public class Exercise24_02 {  public static void main(String[] args) {    new Exercise24_02();  }   public Exercise24_02() {    String[] names = {"Tom", "Susan", "Kim", "George", "Peter",         "Jean", "George", "Jane", "Denise", "Jenny", "Susan", "Kathy", "Jane"};    MyList<String> list = new MyLinkedListExtra<>(names);        System.out.println(list);    Scanner input = new Scanner(System.in);    System.out.print("Enter a name: ");    String name = input.next();        System.out.print("Enter an index: ");    int index = input.nextInt();        System.out.println(name + " is in the list? " +…
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Introduction to Java Programming and Data Structures, Comprehensive Version Plus MyProgrammingLab with Pearson EText -- Access Card Package

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