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Uml BSE

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Hamza Khan
Hamza Khan

UML (Unified Modeling Language) is a diagramming language used for object-oriented programming. It can be used to describe how a program is organized, how it executes, how it is used, and how it is deployed over a network. UML uses graphical notation to depict a system, which is clearer than natural language and more overall than code. There are different types of UML diagrams, including class, component, use case, sequence, and state machine diagrams. A class diagram specifically shows classes, interfaces, attributes, operations and relationships.

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UML Prepared By: MUHAMMAD HAMZA KHAN
What is UML? ? UML stands for Unified Modeling Language ? UML is a diagramming language designed for Object- Oriented programming ? UML can be describe: ? the organization of a program ? how a program executes ? how a program is used ? how a program is deployed over a network ? …and more
Why we use UML? ? Use graphical notation: more clearly than natural language (imprecise) and code (too detailed). ? Help acquire an overall view of a system. ? UML is not dependent on any one language or technology. ? UML moves us from breakup to standardization.
Types of UML ? Class diagram ? Component diagram ? Development diagram ? Object diagram ? Package diagram ? Profile diagram ? Composite structure diagram ? Use case diagram ? Activity diagram ? State machine diagram ? Sequence diagram ? Communication diagram ? Interaction overview diagram ? Timing diagram
Class Diagram ? A class diagram shows classes, interfaces, and their relationships ? It shows the classes in a system, attributes and operations of each class and the relationship between each class. ClassName attributes operations
Class Name ? The name of the class is the only required tag in the graphical representation of a class. ? It always appears in the top- most compartment. ClassName attributes operations
Class Attributes ? An attribute is a named property of a class that describes the object being modeled. In the class diagram, attributes appear in the second compartment just below the name-compartment. Person name : address : Birthdate :
Class Attributes (Cont’d) ? Attributes are usually listed in the form: ? attributeName : Type Person name : string address : string birthdate : int
Class Attributes (Cont’d) ? Attributes can be: ? + public ? # protected ? - private Person + name : string -address : string #birthdate : int
Class Operations ? Operations describe the class behavior ? and appear in the third compartment. Person name : string address : string birthdate : int +Eat():void +Sleep():void +Work():void +Play():void
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Uml BSE

  • 1. UML Prepared By: MUHAMMAD HAMZA KHAN
  • 2. What is UML? ? UML stands for Unified Modeling Language ? UML is a diagramming language designed for Object- Oriented programming ? UML can be describe: ? the organization of a program ? how a program executes ? how a program is used ? how a program is deployed over a network ? …and more
  • 3. Why we use UML? ? Use graphical notation: more clearly than natural language (imprecise) and code (too detailed). ? Help acquire an overall view of a system. ? UML is not dependent on any one language or technology. ? UML moves us from breakup to standardization.
  • 4. Types of UML ? Class diagram ? Component diagram ? Development diagram ? Object diagram ? Package diagram ? Profile diagram ? Composite structure diagram ? Use case diagram ? Activity diagram ? State machine diagram ? Sequence diagram ? Communication diagram ? Interaction overview diagram ? Timing diagram
  • 5. Class Diagram ? A class diagram shows classes, interfaces, and their relationships ? It shows the classes in a system, attributes and operations of each class and the relationship between each class. ClassName attributes operations
  • 6. Class Name ? The name of the class is the only required tag in the graphical representation of a class. ? It always appears in the top- most compartment. ClassName attributes operations
  • 7. Class Attributes ? An attribute is a named property of a class that describes the object being modeled. In the class diagram, attributes appear in the second compartment just below the name-compartment. Person name : address : Birthdate :
  • 8. Class Attributes (Cont’d) ? Attributes are usually listed in the form: ? attributeName : Type Person name : string address : string birthdate : int
  • 9. Class Attributes (Cont’d) ? Attributes can be: ? + public ? # protected ? - private Person + name : string -address : string #birthdate : int
  • 10. Class Operations ? Operations describe the class behavior ? and appear in the third compartment. Person name : string address : string birthdate : int +Eat():void +Sleep():void +Work():void +Play():void