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--- assignments:a4 [2013/07/19 12:23] – pawluk
+++ assignments:a4 [2013/08/13 01:03] (current) – pawluk
@@ Line 5: / Line 5: @@
   * [[http://www.cse.yorku.ca/course_archive/2012-13/S/3311/files/a4.pdf|Specification]]
+===== Solution =====
+==== Family ====
+You can use a single class in a design and express everything else as has-a relations.
+The other option is to create classes for MOTHER and FATHER, and DAUGHTER and SON and remaining as has-a relations.
+==== Folders ====
+A typical composite example where FOLDER is a container and inherits from FILE, and files can be placed in a container.
-  * Solution
+==== Dental ====
-  * [[:assignments:a4|Assignment 4]]
+Key elements are:
+  * PATIENT with a SET of TOOTH,
+  * record of the operations performed on a TOOTH can be associated with a TOOTH or a PATIENT with a reference to the TOOTH, you should consider consequences,
+Other design elements are quite obvious.
+===== Resources =====
 Cover Page: [[http://www.cse.yorku.ca/course_archive/2012-13/F/3311/report1/coverpage.pdf|pdf]] and [[http://www.cse.yorku.ca/course_archive/2012-13/F/3311/report1/coverpage.docx|doc]]