11.5. Aggregation vs Composition

Try these first

1. 1.

   Define aggregation in your own words.

   Hint

   Remember the 'has-a' relationship.

2. 2.

   What type of relationship does composition signify?

   Hint

   Focus on the life cycle of the objects involved.

3. 3.

   What does aggregation imply in object-oriented programming?

   • A strong relationship
   • An independent relationship
   • A dependent relationship

   Hint

   Focus on object lifecycles.

4. 4.

   Is composition a strong or weak relationship?

   • True
   • False

   Hint

   Think about parent-child dependencies.

5. 5.

   Design a software simulation using aggregation and composition. Break down how you would implement each relationship.

   Hint

   Consider the purpose of each class.

6. 6.

   Explain why you might choose to use composition over aggregation in a software design.

   Hint

   Think about dependencies and their implications.