SOFTWARE ENGINEERING

SOFTWARE DESIGN

OBJECT ORIENTED DESIGN

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following statements is true about Sequence Diagrams?
A
Each message is represented by arrow between the lives of 2 objects
B
Each message is represented by a dashed vertical line (2)
C
Each message must be labeled with the message name followed by a number (3)
D
Sentences (1) and (3) are correct
Explanation: 

Detailed explanation-1: -Solution(By Examveda Team) A sequence diagram is object based rather than class based. It is used to model a process in a system step by step.

Detailed explanation-2: -An arrow from the Message Caller to the Message Receiver specifies a message in a sequence diagram. A message can flow in any direction; from left to right, right to left, or back to the Message Caller itself.

Detailed explanation-3: -Note that a sequence diagram can have multiple actors. Lifeline – this is a vertical parallel dashed line showing the object’s existence in time. Multiple lifelines can never overlap.

There is 1 question to complete.