Some important class relations in UML to learn

http://www.uml-diagrams.org/dependency.html?context=class-diagrams

http://www.uml-diagrams.org/generalization.html?context=class-diagrams

http://www.uml-diagrams.org/association.html??context=class-diagrams

http://www.uml-diagrams.org/android-camera-uml-class-diagram-example.html

http://www.uml-diagrams.org/class-diagrams-overview.html

http://creately.com/blog/diagrams/class-diagram-relationships/

http://www.codeproject.com/Articles/22769/Introduction-to-Object-Oriented-Programming-Concep



depedency:
   ---->



Class SearchController depends on (requires) SiteSearch interface.




Web Shopping package uses (depends on) Payment package.



Interface SiteSearch is realized (implemented) by SearchService.



Interface SiteSearch is realized (implemented) by SearchService.





Interface SiteSearch is realized (implemented) by SearchService.





Component UserService realized by UserServlet and UserDAO.



Usage:


Class SearchController uses SearchEngine class.



Create:


Class DataSource creates Connection.



Generalization:

Checking, Savings, and Credit Accounts are generalized by Account



Checking, Savings, and Credit Accounts are generalized by Account