Modify user profile class, JAVA Programming

Assignment Help:

Modify your UserProfile class to meet the following requirements:

  1. It must include a field called wall to store an ArrayList of wall posting objects. It must also provide a getter called getWall() that returns the ArrayList of wall posting objects. The list should initially be empty for a newly created UserProfile.
  2. It must provide a method called postToWall() that takes two parameters: the author of the posting (a user profile, not a string) and a string message. This method should add a new wall posting with the given contents.

Note that wall postings should be stored in reverse-chronological order, meaning that newly created posts should be stored at the beginning of the list, not at the end. Also, this method should ensure that the total number of posts does not exceed 20. Once the wall gets that full, delete the oldest post to make room for a new one. Study the API documentation for ArrayList to find suitable methods to accomplish this arrangement. You may assume that the clock is consistent, that is, postings created more recently will also have a more recent time stamp.


Related Discussions:- Modify user profile class

Develop an online website using java, Project Description: I am planning...

Project Description: I am planning to prepare a website which caters the services to online internet users. I have already prepared most HTML5 pages by own and wanted to impl

Explain the both hashset and treeset, Explain the both HashSet and TreeSet?...

Explain the both HashSet and TreeSet? HashSet is an unordered, unsorted Set. It's a Collection set which restrict duplicate elements and also repositioning of elements. I

High quality leads and directory scraping, Project Description: (1) I wa...

Project Description: (1) I want a comprehensive list of Australian chiropractors. The data requires coming from various sources including Google but the following are obligatory

Explain data entry issues, Explain data entry issues? DATA ENTRY: The...

Explain data entry issues? DATA ENTRY: There is new data entered every day. New customers are added every day. Some of the data entry needs the manual entry within computer s

SWING, Application using Swing API

Application using Swing API

Need to modify joomla component, Project Description: I want to modify J...

Project Description: I want to modify Joomla component. Now there is Akeeba subscription component on this site. It works and the whole thing is fine, but there is no "teaser

A talent agency program , class Writer extends Client {    // additional m...

class Writer extends Client {    // additional members    private boolean technical = false;    private boolean government = false;    private boolean international = false;    pri

Write program to passing arguments to methods, Write program to Passing Arg...

Write program to Passing Arguments to Methods ? It's generally considered bad form to access fields directly. Instead it is considered outstanding object oriented practice to

What is java bytecode, What is java Bytecode Java programs (Source code...

What is java Bytecode Java programs (Source code) are compiled into a form known as Java bytecodes. Java compiler reads Java language source (.java) files, translates source

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd