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Object Oriented Software Development
Object Oriented Software Development
Object Oriented Software Development Naufal F. Setiawan School of - - PowerPoint PPT Presentation
Object Oriented Software Development Naufal F. Setiawan School of - - PowerPoint PPT Presentation
Object Oriented Software Development Object Oriented Software Development Naufal F. Setiawan School of Computing and Information Systems University of Melbourne Workshop 7 Object Oriented Software Development UML Diagrams What is a UML Class
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Object Oriented Software Development
UML Diagrams
Here is how a single UML class looks like:
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Object Oriented Software Development
UML Diagrams
Which symbols are used to denote different privacy levels of class members in in UML? Answer
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Object Oriented Software Development
UML Diagrams
How do we represent association in a UML diagram?
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Object Oriented Software Development
UML Diagrams
How do we represent association in a UML diagram?
src/Artist.java Song song; // or alternatively Song[] songs; // or alternatively ArrayList<Song> songs;
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Object Oriented Software Development
UML Diagrams
To further disambiguate the relationship... we should specify the multiplicity! Here, we do not care about how the multiple Songs are stored.
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Object Oriented Software Development
UML Diagrams
Subtypes of Associations: Aggregations (top) and Composition (bottom). Unlike standard associations, these read (towards the arrowhead) as “belongs to” rather than “has”.
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Object Oriented Software Development
UML Diagrams
What’s the difference between Aggregation and Composition?
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Object Oriented Software Development
UML Diagrams
These three UML diagram refer to the same code: src/Meme.java @Nullable Image image;
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Object Oriented Software Development
UML Diagrams
How do we represent that a class is abstract?
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Object Oriented Software Development
UML Diagrams
How do we represent that a class is abstract? Two ways: Note: when submitting Project 2A, please use the italicized
- method. The other one was meant to accomodate for exams as
writing italic is hard.
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Object Oriented Software Development
UML Diagrams
How do we represent that a class is abstract? Two ways: Note: when submitting Project 2A, please use the italicized
- method. The other one was meant to accomodate for exams as
writing italic is hard.
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Object Oriented Software Development
UML Diagrams
How do we represent inheritance in UML?
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Object Oriented Software Development
UML Diagrams
How do we represent inheritance in UML?
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Object Oriented Software Development