UML - Object Diagrams · Linda Marshall and Vreda Pieterse UML - Object Diagrams. Classi cation Notation Examples Linda Marshall and Vreda Pieterse UML - Object Diagrams. Classi cation

ClassificationNotation

Examples

UML - Object Diagrams

Linda Marshall and Vreda Pieterse

Department of Computer ScienceUniversity of Pretoria

2014

Linda Marshall and Vreda Pieterse UML - Object Diagrams


Examples

Overview

1 Classification

2 Notation

3 Examples

Template Method

Factory Method



Examples

Object diagrams:

are derived from Class diagrams and

are therefore dependent on class

diagramsrepresent an instance of a class diagram

also a static viewa snapshot of the system at a specificmoment

are used for forward and reverse

engineering



Examples

Object diagrams (cont):

are concrete in nature, represent the

real-world vs class diagrams that are

abstract and represent the blue-print

have unlimited instances vs fixed classes

of class diagrams

use the same basic relationships to class

diagrams



Examples



Examples



Examples

Template MethodFactory Method



Examples


1 A r r a y L i s t ∗ a r r = new D e s c e n d i n g A r r a y L i s t ( 1 0 ) ;23 a r r−>i n s e r t E l e m e n t ( 1 0 ) ;4 a r r−>i n s e r t E l e m e n t ( 2 0 ) ;5 a r r−>i n s e r t E l e m e n t ( 1 5 ) ;6 a r r−>i n s e r t E l e m e n t ( 2 5 ) ;7 a r r−>i n s e r t E l e m e n t ( 5 ) ;89 a r r−>p r i n t ( ) ;

10 a r r−>s o r t ( ) ;11 a r r−>p r i n t ( ) ;



Examples


Line 1 Line 5 Line 10



Examples




Examples


Creator* factory[2];



Examples


factory[0] = new BaroneCreator();

factory[1] = new TexCreator();



Examples


Chocolate* storage[5];



Examples


for i < 2:

for (int i = 0; i < 5; i++)

storage[i] =

factory[i%2]->produce();


Documents

UML - Object Diagrams · Linda Marshall and Vreda Pieterse UML - Object Diagrams. Classi cation Notation Examples Linda Marshall and Vreda Pieterse UML - Object Diagrams. Classi cation