Scenario and Summary
The purpose of the lab exercises is to help the student acquire skills in developing programs that require the implementation with linked lists of abstract data types, such as lists and bags.
There are four exercises in this lab, although not all of them will be required for submission. Be sure to read the following instructions carefully.
Exercise 1: No submission is required.
Exercise 2 contains Parts A, B, C, D, E, and F. Keep in mind that the methods developed for each of these parts should be within the same LinkedList class. We have added in Doc Sharing a framework for the LinkedList class with stubs for these methods. Use the framework to complete the exercise.
Create a folder and name it Week 2 Lab. Inside this folder, create the subfolders Ex2, Ex3, and Ex4. Place the solution to each of the three exercises required for submission in the corresponding subfolder. Compress the folder Week 2 Lab using a program like WinZip, and drop the resulting zipped folder into the Dropbox.
Note that Exercises 2, 3, and 4 require software development. Place in the corresponding folders only .java files. Do not submit the .class files or other files or folders that are generated by the IDE.
Access the software at https://lab.devry.edu .
Exercise 1: Review of Linked Lists
Back to Top
Create a project using the classes in the Doc Sharing area labeled A Simple LinkedList class. Compile it, run it, and review the code that is given carefully. This code tests the LinkedList class provided in the lecture.
Exercise 2: Implementing a Linked List
Back to Top
Modify the class LinkedList given in the lecture by adding the functions listed below for Exercise 2. In each case, the appropriate error message should be generated if an invalid condition occurs. For example, an error message should be generated when trying to replace the item at a given location in the list and the location is out of range. Create a main class to test your LinkedList class.
a. String toString(): Modify the display method to override the toString method of the object class. This method returns a string representation of the linked list elements.
b. int getLength(): Create this method to return the number of items in the list (accessor method).
c. void clear(): Create this method to remove all of the items from the list. After this operation, the length of the list is zero.
d. void addEnd(int item): Create this method to add the item to the end of the list.
e. void replace(int location, int item): Create this method to replace the item in the list at the position specified by location. The item should be replaced with the item.
f. int get(int location): Create a method that returns the element at location.
In the Doc Sharing document labeled Implementing a LinkedList class, you will find the basic framework of the LinkedList class you need to use to implement your solution.
Exercise 3: Using a Linked List
Back to Top
This exercise is similar to Exercise 3 in Lab 1 but uses the LinkedList class implemented in Exercise 2 above. That is, using the class LinkedList completed in the previous exercise, write a program to store the first 30 Fibonacci numbers in a LinkedList object.
Exercise 4: Implementing a Bag Class
Back to Top
Create a Bag class (multiset) that uses a linked list to store the bag items. The class should have the methods listed below. Create a main class to test your Bag class. This main class should fill a bag of integers with 10 random numbers, each in the interval [0, 15], and print how many times each integer in the interval [0, 15] appears in the bag.
a. Bag(): default constructor that creates an empty bag
b. boolean isEmpty(): determines whether the bag is empty
c. String toString(): returns a string representation of the linked list elements
d. int getLength(): returns the number of items in the bag
e. void clear(): removes all of the items from the bag
f. void add(int item): adds an item to the bag
g. void remove(int item): removes an item from the bag, all occurrences of item in the bag should be removed
h. int count(int item): counts the number of occurrences of item in the bag
(Note that you can reuse the code completed in Exercise 2 for the LinkedList class to create your Bag class. It will help you to save development time.)
* You can also use 2CO option if you want to purchase through Credit Cards/Paypal but make sure you put the correct billing information otherwise you wont be able to receive any download link.
* Your paypal has to be pre-loaded in order to complete the purchase or otherwise please discuss it with us at firstname.lastname@example.org.
* As soon as the payment is received, download link of the solution will automatically be sent to the address used in selected payment method.
* Please check your junk mails as the download link email might go there and please be patient for the download link email. Sometimes, due to server congestion, you may receive download link with a delay.
* All the contents are compressed in one zip folder.
* In case if you get stuck at any point during the payment process, please immediately contact us at email@example.com and we will fix it with you.
* We try our best to reach back to you on immediate basis. However, please wait for atleast 8 hours for a response from our side. Afterall, we are humans.
* Comments/Feedbacks are truely welcomed and there might be some incentives for you for the next lab/quiz/assignment.
* In case of any query, please donot hesitate to contact us at firstname.lastname@example.org.
* MOST IMPORTANT Please use the tutorials as a guide and they need NOT to be used for any submission. Just take help from the material.
******************************************** Good Luck ***************************************************
Any personal information received will only be used to fill your order. We will not sell or redistribute your information to anyone.
We will try our best to resolve the issue and if still persists we can discuss for a refund in case its required.