Week 8

Question 1

What are software components?

Answer 1

Software components are independent units within a system that encapsulates a collection of data and functions that are semantically related.

They are a higher-level abstraction than objects and encapsulates (hides) their internal structure.

Question 2

What is the notation of components?

Answer 2

For components, we always need to include the plug thingy and also write «component»

Question 3

How does a component collaborate with other components?

Answer 3

A component collaborates with other components via well-defined interfaces.

Provider (ball), Require (hand)

Question 4

What can a Software Component be?

Answer 4

A software component can be a collection of classes (packages), a Web Service, a resource (hardware or software)

Question 5

What do we design components to be?

Answer 5

We design components to be
modular, portable, replaceable and reusable

Question 6

What are the advantages of components?

Answer 6

They make discussions easier at a higher level. Especially with the clients.

Its like a higher level class diagram, that makes discussion easier as it tries to hide a lot of the detail.

EMPHASIS IS JUST ON HIGHER LEVEL, MAKING THINGS EASIER TO UNDERSTAND

Question 7

We ________ our classes into components

Answer 7

Encapsulate

Question 8

What is a nested component?

Answer 8

A nested component is a bigger component that is a composition of several other components. These different sub components might be doing something specific for the bigger component.

Question 9

Reminder to go through component diagram exercise on lecture notes

Answer 9

it is very impt…

Question 10

test

Answer 10

test