How should analysts show the object or class relationship using UML?
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How should analysts show the object or class relationship using UML?
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Analysts typically use UML class diagrams to show object or class relationships In UML class diagrams relationships between classes are represented using various types of lines and symbols Here are the commonly used symbols for showing object or class relationships Association Represents a relationship between two classes where instances of one class are related to instances of another class It is depicted as a solid line connecting the classes optionally with an arrow indicating the direction of the relationship Aggregation Represents a wholepart relationship between classes where one class the whole contains or is composed of instances of another class the part It is depicted using a line with a hollow diamond white diamond at the end connected to the whole class Composition Represents a stronger form of aggregation where the part class is a component of the whole class and cannot exist independently of it It is depicted using a line with a solid diamond black diamond at the end connected to the whole class Inheritance Generalization Represents an isa relationship between classes where one class subclass or derived class inherits the attributes and behaviors of another class superclass or base class It is depicted as a line with a hollow arrowhead pointing from the subclass to the superclass Realization Interface Represents the implementation of an interface by a class It is depicted as a line with a hollow triangle arrowhead pointing from the implementing class to the interface These symbols and lines are used to visually represent the relationships between classes in a UML class diagram ...View the full answer
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GERALD KAMAU
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Related Book For 
Introduction To Systems Analysis And Design
ISBN: 9780073402949
1st Edition
Authors: Jeffrey Whitten, Lonnie Bentley
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