Review Questions

1:True or False: Polymorphism is the concept that states a class's data is hidden from outside entities and can only be accessed by external entities through the operations provided by that class.
2:What restriction does a rolename apply to a class?
3:A qualifier selects specific object instances of the class:

  1. On the end of the association nearest to the qualifier

  2. On the far end of the association

4:True or False: In an aggregation, when the “whole” is destroyed, all the parts are not necessarily destroyed.
5:Which of the following are not a type of visibility:

  1. Private

  2. Partial

  3. Virtual

  4. Public

  5. Abstract

  6. Package

  7. Protected

_______________

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