Static Modeling.pptx

8/14/2019 Static Modeling.pptx

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I.S.A.SI.S.A.S SeminarSeminar


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AboutAboutUML is concerned for Unified

modeling language UML is anotational language that enablesthe stakeholders to view thearchitecture of the system from


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About StaticStatic modeling is one type of

modeling which is used forunderstand the physical structureof a software. In the UnifiedModeling Language (UML), a class


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ClassClassClass diagrams represent a set ofclasses, interfaces and their

relationships. We can represent aclass in a rectangular box with


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ObjectObject

An object diagram representsinstances of a class diagram. We

represent an object in a

Name =Robert

Addres

Phone Number =

[email protected]

Student Number =

Average mark =

Street = South

City = New DelhiState = DelhiPostal Code = 110016Country = India
mailto:Email%[email protected]:Email%[email protected]


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Relationship between Class and Object

Association:-

An Association represents a family

of links. It represents the staticrelationship shared the object oftwo classes. An association may beunidirectional or bi-directional but

Student NIITGive Education for Get

Association

Student AddressHas

Unidirectional Association


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Multiplicity:-

The association relationshipindicates that (at least) one of the

two related classes makesreference to the other. The UMLrepresentation of an association isa line with an optional arrowhead

Student NIIT Give Education for Get

1

Multiplicity


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Aggregation:-Aggregation represents anassociation between two classes

such that class A is a part of classB and A can exist independently.Aggregation is a variant of the

Student NIITBelongs

ggregation


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Composition:

Composition represents anassociation between two classes

such that class A contains class Band also control the lifetime of classB. It means that the existence of

Student Address

Composition

Ha


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Dependency:

A dependency exists between twodefined elements if a change to the

definition of one would result in achange to the other. This isindicated by a dashed arrow

Discount Bill

Dependency


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Generalization:-Generalization represents howsuper classes are related to subclasses. Super classes are calledbase classes and Sub classes are

Student

Career student Non career student


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Realization:-

Realization represents In UMLmodeling, a realization relationship

is a relationship between twomodel elements, in which onemodel element realizes the

Payment Counter Bill

Realization


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Type of Classes:-

vAbstract class

v

Parameterized class

vFactory class

vSelf-linked class


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Abstract Class:-

An abstract class is a class thatdoes not have any direct instances.

However the classes inherited froman abstract class can have direct

StudentStudent_id

Registration_id


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Parameterized Class:-

A Parameterized class, also calledtemplate class, provided a

mechanism that enables you to useoperations and classes to work with

List

Add (T)

Element Type


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Factory Class:-

A class that has multiple objectshaving the same attribute values isknown as a factory class.

Object Name

Self-Linked Class:-

A class that has objects, which

fulfill more than one role, is calledObject Name


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Recursive Aggregation:-

Recursive Aggregation is anassociation relationship betweentwo objects of the same class. Project Manager:Employee

Developer:Employee

Qualified Association:-Qualified Association is anassociation relationship that relatesan object of a class to a Particularobject or a set of objects of another


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vInterfaces:-

Lollipop notation:-

An interface is a collection ofoperation that is used to representthe services provided by a class or

This notation shows the interfacesas a circle and displays the classthat realizes the interface in a

ValidateAccept


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Dashed Arrow notation:-

Depict an interface as a class withthe help of the keyword. The diagram also

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Static Modeling.pptx

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