December 2016
Intermediate to advanced
401 pages
16h 1m
English
Content preview from Software Engineering by Pearson
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Object-oriented Concepts and Principles 117
A customer can have zero or more loan accounts. erefore, the aggregation between the classes ‘cus-
tomer’ and ‘loan account’ may be seen in Figure 7.13.
Figure 7.13 One-to-many relationship between classes
Customer
Loan
1
0..*
7.2.3 Uses-A Relationship
is relationship represents Association. Association is the relationships between objects and classes.
Here, objects interact with other objects. It may include creation of another type of object or method
invocation (Message passing) on an existing object. For example, LoanAdvisor creates a Loan object for
a new loan and LoanAdvisor invokes a method ...
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