P2L1 Review of UML Playlist

Question 1

Analysis vs Design purpose

Answer 1

• Analysis is conserned with understanding the problem being solved
• Design is conserned with creating the solution

Question 2

How to choose the right diagrams for a project?

Answer 2

• As a rule of thumb you should not use all diagrams, that is too expensive, too much planning
• What is the trickiest part of the project? Select the diagram that helps you understand that part better

Question 3

Why would you need multiple sequence diagrams or behavior diagrams?

Answer 3

• Normally the diagrams just represent one execution of the program. You may need to create one for eash execution scenario

Question 4

Why object diagrams?

Answer 4

• To show a specific instance or scenario of use of the classes