Project Outcomes:

Create a Java application that:

Implements Object serialization.

Implements reading, writing and searching a random access file.

Implements API and user defined exceptions.

Catches and recovers from thrown exceptions

Develops a program with several classes.

Creates UML class diagrams.

Prep Reading

Absolute Java Chapters 1 - 10

Project Requirements:

In this project you will implement a trivia game. It will ask random trivia questions, evaluate their answers and keep score. The project will also have an administrative module that will allow for managing the question bank. Question bank management will include adding new questions, deleting questions and displaying all of the questions, answers and point values.

Project details

Create a class to administer the question bank with the following functionality:

Command line menu.

Stores question data in a Random Access File (See details of file structure below)

Enter new questions including answer and question point value. Point value should be 1 to 5.

Delete questions by searching for a question in the random access file. I would suggest assigning a question id number to each question. (hint: Static variable)

Display all of the questions, associated answers and point value.

The question bank must be stored in a binary Random Access File with the following record structure

Question (@50 bytes) ASCII char use one byte

Answer (@20 bytes)

Question point value (an int)

HINT: Use String.format method for padding

String.format("%" + n + "s", s);

where n is number of spaces and s is the String

Create and use user defined exception to ensure question and answer do not exceed maximum number of bytesand the point value is between 1 and 5(inclusive)

For the purposes of this project the question bank will contain at least 15 questions.

Example of text menu:

Trivia Game Administration 1. List all questions 2. Delete question 3. Add question 4. Quit Enter choice:

Create a class for the players information with the following functionality

Players real name

Players gamer nick name

Current total score. Total score is a summation of all the Players game sessions.

Ability to store the user object to a serialized file, the file name is the user real name such as johnsmith.dat. No need to handle duplicate file names.

Create a class for questions including

question, answer, value and a question ID

Accessor methods to return all instance fields.

Create a class for the trivia game with the following functionality.

Stores a collection of Question objects.

Using random number generation to read 5 questions from the question bank and stores them in the collection. Remember the questions are stored in a record format.

Returns the next question object in the collection.

Evaluate the answer and returns the outcome. The evaluation should ignore case.

Create a class to run the game

Command line

Ask if new or existing user.

If new user create a new user object and ask for required user information(name, nick name)

If existing user

prompt for user name

read user information from serialized file into a user object.

If file not found handle exception robustly by providing error message and asking again.

Create trivia game object

Start the game, the game sequence is

Display a question

Prompt for an answer

Evaluate the answer

Display the evaluation results

Update the users total score

Display the user current game score.

Continue to display new questions until current game is over. (5 questions)

Once game is over, allow user to play again or quit

If user quit

Display his nick name, current game score and total score.

Write or overwrite the current user data to the serialized file.

Allow another user to play or quit the program.

Example text based game run after user determined.

Question 1 Who is the president? Obama That is correct! Your score is 1 Question 2 Who is buried in Grants tomb? Grant That is correct! Your score is 4

Question 3 What is the capital of Connecticut? New Haven Wrong. The correct answer is Hartford Your score is 4

Programmer Design information

As you may have noticed much of the details for this project are left up to you.

You may create any additional classes, methods (especially private utility methods) or instance fields you think may be needed, however you will be graded on good object oriented design, so points will be taken off for unnecessary classes, methods or unused instance fields or instance fields that should be local variables.

There is no need to add any additional functionality such as checking for duplicate questions, or duplicate user files etc, just focus on the required functionality.

Create 2 UML Class Diagram for this project.

Design Version - completed prior to coding the project to assist with coding.

Final Version - completed after the coding that accurately represents the final version of the code.

All instance variables, including type.

All methods, including parameter list, return type and access specifier (+, -);

No need to include the class with main method in the UML diagrams. Refer to the UML Distilled pdf on the content page as a reference for creating class diagrams

Create a detailed plan for the implementation of the current programming project from a conceptual description of the project. (Expand the Cells as needed)

Step	Step name	Description	It is done when...
1
2
...
n