Question

Describe the types of hierarchy found in object-oriented system descriptions.

Answer 1

The type of hierarchy found for the object-oriented system is as follows:

1) Is-a hierarchy:

As per the behavior and the state where the level of classes are considered . It helps the lower level of classes to be built on top of the higher level of classes.

2) Part-OF hierarchy:

This is done via aggregation.

Here the objects are very large

3) Hasa Hierarchy:

This is meant for the code organization where the objects are involved in containing other objects.