Chapter 12: Compositional Design

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Learning Objectives

• Explain how to design complex classes using user-defined abstract data types

• Describe the concept of aggregation

• State the relationship between aggregation and object lifetime

• Explain the difference between contains by value and contains by reference

• Describe the concept of simple aggregation

• Describe the concept of composite aggregation,

• Explain how to implement message passing between objects

• Explain how to utilize pointers and references in the design of complex classes

• Explain how to express aggregation in UML notation

• State the purpose and use of a UML sequence diagram

• Demonstrate your ability to use simple and composite aggregation to implement C++ programming projects

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