1. Software Design Introduction to Software Engineering College of Computer Studies De La Salle University - Manila

5. Why Design? Maintain With design Without design Implement Test Design Implement Test Maintain

7. Phases in the Design Process Ian Sommerville. Software Engineering, 6 th Edition.

21. Example: Layer Cohesion Object-Oriented Software Engineering (www.lloseng.com)

31. Example of Control Coupling public routineX(String command) { if (command.equals("drawCircle") { drawCircle(); } else { drawRectangle(); } } Object-Oriented Software Engineering (www.lloseng.com)

33. Example of Stamp Coupling public class Emailer { public void sendEmail(Employee e, String text) {...} ... } public class Emailer { public void sendEmail(String name, String email, String text) {...} ... } Using simple data types to avoid it: Object-Oriented Software Engineering (www.lloseng.com)

34. Example of Stamp Coupling public interface Addressee { public abstract String getName(); public abstract String getEmail(); } public class Employee implements Addressee {…} public class Emailer { public void sendEmail(Addressee e, String text) {...} ... } Using an interface to avoid it: Object-Oriented Software Engineering (www.lloseng.com)