1 Objectives: Sequence Diagram 1. You will able to create a sequence diagram. 2. Assign objects in sequence diagrams to classes 3. Map messages to operations 4. Create scripts for sequence diagrams 5. Create a collaboration diagram from a sequence diagram.

2 Sequence Diagram Toolbar Selection tool text note Note anchor Object Message Reflexive message

3 Creating a Sequence Diagram

4 Object and Class Representation (a) Actor (b) Object only (c) Class only (d) Object and Class

5 Another way of assigning an Object to an Existing Classes :

6 Messages

7 To make the message as an operation a) c) b)

8 To create messages from the existing operations

9 Focus of Control

10 Messages Deletion and Focus of Control Important: All message within a focus of control are deleted when the message starting the focus is deleted

11 Sequence Diagram with Scripts Script

12 Collaboration Diagram

13 Exercise : Sequence Diagram

14 Nested Focus of Control