CSC 314: Programming in Java

Winter 2001

Individual Assignment 4

Currency Exchange II: A Better GUI Program

Due Friday February 16 before 11:30pm

In this assignment, you will improve your currency exchange program so that it is more robust, more serviceable, and better displayed. In addition to the previous requirements, your program should meet the following requirements:

• The program should check for invalid user input such as the user entering non-numeric data or no data at all. If the user enters invalid input, your program should explain the problem to the user.
• The program should read currency exchange rates from a file. While not required, you may choose to read currency names and formats from the file as well.
• The graphical layout of the program must make use of panels and at least two different layout managers. The layout must look reasonable for a variable number of frame sizes.
• The output must be well formatted. You may choose to use the currency format methods or the decimal format methods.

Submission

Before the due date and time, you should submit the following file through the submission Web page:

• Your individual version of Currency.java.
• Your file with the currency exchange rates.

The grader will use this sheet for evaluating the asignment.