Question

Prepare an Initial list of CRC cards that implement an app store.

1. Class Name:

-responsibilities; what it does

2. Collaborators

-if any; classes the class uses

Answer 1

Let's say we are building an application for students to maintain their records.

So we need to know the entities first recognize the objects that are present in the requirement

So for creation of CRC cards , first we need to know the problem statement.

Problem Statement :

We need to build an application , which helps students to track all the details.The details here includes courses, Grades of students based on tests conducted in the university , Student information and courses ha has taken and respective grade for the courses . New student should be able to register themselves with the help of application.

CRC Cards :

Here entities are student ,Grade , course , course section , Register

so , entities becomes the class Names here

Responsibilities are associated with class :

collaborators are associated with an entity :

number | class | type of class | characteristics

1 . student Role persistent , tangible

2. course Organization unit Abstract , sequential

3. Register Role Persistent, tangible

4. Grade Property Abstract , sequential

5. course section Organization unit   Abstract , sequential