Author Question: List the and describe four categories into which classes fall. What will be an ideal ... (Read 22 times)

Hungry! · **on:** Jul 7, 2018

List the and describe four categories into which classes fall.

What will be an ideal response?

Question 2

The standard type of navigational approach used for ecommerce is called one-click.

Indicate whether the statement is true or false

zacnyjessica · **Reply #1 on:** Jul 7, 2018

Answer to Question 1

1. Entity classes represent real-world items, such as people and things.
2. Boundary, or interface, classes provide a means for users to work with the system.
3. Abstract classes are classes that cannot be directly instantiated.
4. Control, or active, classes are used to control the flow of activities, and they act as a coordinator when implementing classes.

Answer to Question 2

TRUE