资 源 简 介
This assignment involves the creation of simple Personal Information Management system that can deal with 4
kinds of items: todo items, notes, appointments and contacts. Each of these kinds of items is described in more
detail below. The assignment requires that you create a class for each item type, and that each class extends an
abstract base class provided for you. In addition to creating the four classes, you need to create a manager class
that supports some simple text-based commands for creating and managing items.
