Programming Assignment #1 Solution

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Description

Objectives: To practice event-driven programming using Java-based GUIs. To refresh your basic Java skills.

Description: Develop a Java program that creates a standalone GUI application (not an applet) that simulates an e-store which allows the user to add items (books) to a shopping cart and once all items are included, total all costs (including tax), produces an invoice, and append a transaction log file.

Your program development must include the following steps:

  1. Create a main GUI containing the following components:

    1. An area that allows the user to input data into the application along with the descriptive text that describes each input area.

    2. A total of six buttons as shown below with functionality as described below.

    3. As illustrated below, the various buttons on the interface are only accessible at certain points during a user’s interaction with the e-store.

  1. An input file named “inventory.txt”. This is a comma separated file which contains the data that will be read by the application when the user makes a selection. A sample file is provided for you on WebCourses.

  1. An output file (append only) named “transactions.txt” must be created that uniquely logs each user transaction with the e-store. The unique transaction id will be generated as a permutation of the date/time string when the transaction occurred.

Restrictions:

Your source file shall begin with comments containing the following information:

/* Name: <your name goes here>

Course: CNT 4714 – Summer 2018

Assignment title: Program 1 – Event-driven Programming

Date: Tuesday May 29, 2018

*/

Input Specification: The file “inventory.txt” as described above (see example below as well).

Output Specification: Output is to appear in the specified components of the GUI and various message boxes that appear, plus the contents of the “transactions.txt” log file that will be generated.

Deliverables:

  1. Submit a working copy of your source code (all .java files) via WebCourses no later than 11:59pm Tuesday May 29, 2018.

Page 1

  1. Include a file that contains screen shots, similar to those illustrated below, that shows your application in action as a user interacts with your e-store to purchase books.

  2. Include a screen shot of your “transactions.txt” file showing at least the last few transactions (similar to the one shown on the last page of this document).

Additional Information:

Shown below are example screen shots of the GUI to help illustrate how your application is to operate.

1. Screen shot of the contents of an example “inventory.txt” file.

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