Perl for C Programmers

Exercises

1. Write a persistent list object. This object acts just like an array except that it stores its values in a file and reloads when the program is run again. In other words, the values of the array persist even after the program is terminated.

2. Write a package to handle Roman numerals.

3. Write classes to support a workflow tool. The base class should provide

   • A title for this step in the workflow

   • A flag indicating whether the work has been done

   • A virtual method called do_it, which actually does the work

     There are two different types of steps: manual, which is done by an operator, and automatic, which is done by a system command. Devise derived classes to handle both these cases.

4. Write a complex number class.

5. Devise a base class called person and derived ...