COMP 310 Fall 2012	Lec04: UML Diagrams

Do you need to 'scream yet?  If so, then you need to go to the Engineering/RCEL Ice Cream Social!   If not, you really need to go!  

TODAY (Mon. 8/27/12)  3:30 - 5:00 PM in front of Ryon Lab 
Be there, aloha!

We will continue with our walkthrough from last lecture on building GUI's in lab this week.

Quick UML primer:

• Boxes
  • Classes
    • Name, fields and methods
      • Concrete (regular type) vs abstract (italic type)
      • Chevrons sometimes used to denote interfaces.
      • Sometimes the "role" in which the class plays in the design will be also be noted.
    • Accessibility:  public (+), private (-), package (nothing)
  • Comments/Notes  (dog-eared)
• Lines:
  • Solid arrowheads -- generalization
    • solid line: inheritance
    • dotted line:implementation
  • Open arrowheads
    • solid line:  association ("has-a")  -- composition (with solid diamond end)  or aggregation (with open diamond end) or unspecified (no diamond end).   Java is always aggregation.
    • dotted line:   dependency ("instantiates", "uses", etc)

Use UML Lab to help you concentrate on the design of your system, its structure and behaviors, rather than on the Java syntax.

Using UML Lab

© 2012 by Stephen Wong