Write a program that implements a double linked list. The MyLinked List class used in Listing 24.5 is a on-way directional linked list that enables one-way traversal of the list. Modify the Node class to add the new data ield named previous to refer to the previous node in the list, as follows: public class Node { E element: } Node next; Node previous; public Node (E e){ elemente: } mplement a new class named TwoWayLinkedList that uses a doubly linked list to store elements. Define TwoWayLinkedList to implement MyList. You need to implmeent all the methods defined in MyLinkedList as well as he methods listIterator() and listInterator(int index). Both return an instance of java.util.ListIterator (see figure 20.4 in the text book). The former sets the cursor to the head of the list adn the latter to the element at

Write a program that implements a double linked list. The MyLinked List class used in Listing 24.5 is a on-way directional linked list that enables one-way traversal of the list. Modify the Node class to add the new data ield named previous to refer to the previous node in the list, as follows: public class Node { E element: } Node next; Node previous; public Node (E e){ elemente: } mplement a new class named TwoWayLinkedList that uses a doubly linked list to store elements. Define TwoWayLinkedList to implement MyList. You need to implmeent all the methods defined in MyLinkedList as well as he methods listIterator() and listInterator(int index). Both return an instance of java.util.ListIterator (see figure 20.4 in the text book). The former sets the cursor to the head of the list adn the latter to the element at

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Write a program that implements a double linked list. The MyLinked List class used in Listing 24.5 is a on-way directional linked list that enables one-way traversal of the list. Modify the Node class to add the new data
field named previous to refer to the previous node in the list, as follows:
public class Node <E> {
E element;
Node<E> next;
Node<E> previous;
public Node (E e){
element = e;
}
}
Implement a new class named TwoWayLinked List that uses a doubly linked list to store elements. Define TwoWayLinked List to implement MyList. You need to implmeent all the methods defined in MyLinkedList as well as
the methods listIterator() and listInterator(int index). Both return an instance of java.util.ListIterator<E> (see figure 20.4 in the text book). The former sets the cursor to the head of the list adn the latter to the element at
the specified index.

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