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Hello everyone. I have a question related to Software Engineering Subject. I want a know that What is Class Diagram and how we draw a diagram?

Anybody here who can help me?

Keywords:

Class Diagram,

Class Diagram with Example,

What is Class Diagram,

What is Class Diagram with Example,

Explain Class Diagram,

Explain Class Diagram with Example,

uml class diagram c++ code example,

uml class diagram wikipedia

Thanks in Advance!

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1 Answer

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Here is Explanation

In software engineering, a class diagram in the Unified Modeling Language (UML) is a type of static structure diagram that describes the structure of a system by showing the system's classes, their attributes, operations (or methods), and the relationships among objects.

The class diagram is the main building block of object-oriented modeling. It is used for general conceptual modeling of the structure of the application, and for detailed modeling translating the models into programming code. Class diagrams can also be used for data modeling. The classes in a class diagram represent both the main elements, interactions in the application, and the classes to be programmed.

In the diagram, classes are represented with boxes that contain three compartments:

The top compartment contains the name of the class. It is printed in bold and centered, and the first letter is capitalized. The middle compartment contains the attributes of the class. They are left-aligned and the first letter is lowercase. The bottom compartment contains the operations the class can execute. They are also left-aligned and the first letter is lowercase.

A class with three compartments. In the design of a system, a number of classes are identified and grouped together in a class diagram that helps to determine the static relations between them. With detailed modeling, the classes of the conceptual design are often split into a number of subclasses.

In order to further describe the behaviour of systems, these class diagrams can be complemented by a state diagram or UML state machine. Refrence:https://en.wikipedia.org/wiki/Class_diagram (Reference under Creative Common License)

Example:

Class Diagram

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