Software engineering Interview Question:

What are sequence diagram? What are package diagram? What are collaboration diagram?

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Sequence Diagrams
They are pictorial representation of event happening according to the time line. In sequence Diagrams, we show respective class names by a small box and the event as a arrow.
Sequence Diagrams help in describing the normal course and alternative course of use cases.
VOPC - View of Participating Classes
VOPC is a a combined representation(showing) of all classes on one page.
Collaboration Diagrams
- are an alternative presentation of a sequence diagram. We uses boxes to desibe objects, the lines connecting two boxes indiate that the objects collborate with to one another and we use a multiplicity factor "*" to indiate that all elements of the aggregation receive a message.
Package Diagram
is complete set of sequence Diagrams or Collaboration Diagrams of the system.
Submitted by: Administrator