Chapter 5 Application Modeling
| 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. |
| A1: | Answer: False |
| 2: | What restriction does a rolename apply to a class? |
| A2: | Answer: Rolenames partition the behavior(s) a class presents in an association with another class. |
| 3: | A qualifier selects specific object instances of the class:
|
| A3: | Answer: b. 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. |
| A4: | Answer: True. When you have a composition ... |
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