|Due at Thursday, April 23rd, 23:59|
|1 point but mandatory!|
In order to get everyone accustomed to each other and working with the SVN repository, do the following:
DeutschTel Inc. sells phone cards for making cheap long distance calls around the world. In this assignment, you will write a (much simplified) Java program to manage their business.
DeutschTel Inc. sells 3 types of phone cards: NATel5 cards, which cost €5 and are good only for calls in Canada and the USA, GlobalTel5 cards, which cost €5 and are good for overseas calls, and GlobalTel15 cards, which cost €15 and are also good for overseas calls.
The per minute rates for each type of card and call zone are as follows:
The initial balance on the cards and the weekly maintenance fee are indicated below:
In order to help the DeutschTel Inc. to manage its work, we have implemented a hierarchy of classes to represent the different types of cards. However the implementation still missing some details, your main task during this tutorial is to fill in the gaps in our provided implementation.