Download presentation
Presentation is loading. Please wait.
Published byAylin Truss Modified over 9 years ago
1
WARNING These slides are not optimized for printing or exam preparation. These are for lecture delivery only. These slides are made for PowerPoint 2010. They may not show up well on other PowerPoint versions. You can download PowerPoint 2010 viewer from here.here These slides contain a lot of animations. For optimal results, watch in slideshow mode.
2
Which is the better Minesweeper design? design {a|b} e.g. design b design {a|b} e.g. design b LogicMinefield Storage LogicMinefield Storage :Logicm:Minefield:Storage mark update(m) :Storage mark update(m) :Logic mark (a)(b) get info m:Minefield 77577 OR tinyurl.com/answerpost
5
To Tighten or Loosen: What Makes a Good Component. CS2103/T, Lecture 7, Part 1, [Oct 3, 2014]
6
To Tighten or Loosen: What Makes a Good Component. CouplingCohesion
7
To Tighten or Loosen: What Makes a Good Component. CouplingCohesion
8
Coupling
9
Component A Component B If I change B, will it require a change in A ? a) NO WAY b) It might Coupling Dependency ==
10
Component A Component B Coupling If I change B, will it require a change in A ?
11
Component A Component B Coupling If I change B, will it require a change in A ?
12
Component A Component B Coupling
13
Component A Component B If I change B, will it require a change in A? Yes, It might Reduce coupling
15
Good Component design cohesion Reduce coupling Parser Logic
17
cohesion
18
Does one thing and does it all Component A Component B Component C cohesion
19
Component A Window 1 Window 2 Window 3 Does one thing and does it all cohesion
20
Component A Component B Component C Does one thing and does it all cohesion
21
Component A Component B Component C Does one thing and does it all cohesion
22
Component A Component B Component C Does one thing and does it all cohesion
23
Component A Component B Component C Increase cohesion Does one thing and does it all cohesion
24
Component A Component B Component C Increase cohesion Does one thing and does it all cohesion
25
Good Component design Reduce coupling Increase cohesion Parser Logic
26
Reduce coupling Increase cohesion
27
Use these two concepts to analyze/justify design decisions.
28
LogicMinefieldStorageLogicMinefieldStorage (a)(b)
29
LogicMinefieldStorageLogicMinefieldStorage (a)(b) Which is the better design and why? why {a|b} {explanation} e.g. why b because … why {a|b} {explanation} e.g. why b because … 77577 OR tinyurl.com/answerpost Discuss with others before submitting
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.