Object-Oriented Design Quiz

The first stage of the two-stage design process is _______ design. Hint: This stage has activities like creating CRC cards, talking with the customer about their requirements, and creating mockups.

• Conceptual

• Detailed

The second stage of the two-stage design process is ________ design. Hint: This is when you will define the structure of the code and start turning your mockups into classes.

• Conceptual

• Detailed

Which of these conceptual design techniques will help you analyze the problem space to determine classes for your object-oriented software? Choose the two correct answers.

• CRC

• requirements

• tradeoffs

• mockups

During conceptual design, once the problem is mapped into components, what are the other two critical pieces of information that you must specify for these classes or components? Choose the two correct answers.

• responsibilities

• collaborators

• abstract data types

• methods

You are writing the CRC card for a Bear component. Choose the two responsibilities.

• camper

• eat berries

• hunger

• den

You are writing the CRC card for a Bear component. Choose the three collaborators.

• tree

• computer

• bear

• guitar

• den

You create an object that represents a user, storing important information about them such as their preferences. What kind of object is this?

• control

• entity

• boundary

• client

You create an object that represents a dialog box. It creates buttons and text fields, etc, for the user to interact with, and it logs those interactions. What kind of object is this?

• control

• interaction

• entity

• boundary

• display

You create an object that compares values from two different sources. It then updates the smaller value to be equal to the larger one. What kind of object is this?

• repository

• entity

• update

• control

Which of these is an example of a quality tradeoff?

• Adding security knowing it will reduce speed

• Adding preferences that allow users to switch some features on and off

• Not delivering key features so that deadlines can be met

• Limiting features knowing that they can be added later