Opject Oriented Software Engineering

Q. 1. Write the use of interaction diagrams. Ans. To model the dynamic aspects of a system, interaction diagram can be used in two ways: To model flows of control by time ordering.  To model flows of control by organization. 

Q. 1. Define Recursive Aggregation. Ans. A recursive aggregate contains, directly or indirectly, an instance of the same kind of aggregate; the number of potential levels is unlimited.