Behavioural Design Patterns

Question 1

What are behavioural design patterns concerned with? What are the two types?

Answer 1

Question 2

What are some of the behavioural design patterns?

Answer 2

Question 3

What is the line of credit class example for the ‘state’ behavioural design pattern?

Answer 3

Question 4

What is the ‘state’ behavioural design pattern?

Answer 4

Question 5

What is the applicability of the ‘state’ behavioural design pattern?

Answer 5

Question 6

Diagram of the ‘state’ behavioural design pattern:

Answer 6

Question 7

Go through the ‘state’ behavioural design pattern example with the line of credit:

Answer 7

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Question 8

What are the consequences of the ‘state’ behavioural design pattern?

Answer 8

Question 9

What is the ‘strategy’ behavioural design pattern?

Answer 9

Question 10

What is a situation/example where we would want to use the ‘strategy’ behavioural design pattern?

Answer 10

Question 11

What is the applicability of the ‘strategy’ behavioural design pattern?

Answer 11

Question 12

‘strategy’ behavioural design pattern diagram:

Answer 12

Question 13

Go over the example of the ‘strategy’ behavioural design pattern in the slides:

Answer 13

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Question 14

What are the consequences of the ‘strategy’ behavioural design pattern?

Answer 14

Question 15

What is the ‘observer’ behavioural design pattern?

Answer 15

Question 16

in what situation would we consider using the ‘observer’ behavioural design pattern?

Answer 16

Question 17

What is the applicability of the ‘observer’ behavioural design pattern?

Answer 17

Question 18

Diagram of the ‘observer’ behavioural design pattern:

Answer 18

Question 19

What is the spreadsheet example of the ‘observer’ behavioural design pattern?

Answer 19

Question 20

What are some of the caveats when it comes to the ‘observer’ behavioural design pattern?

Answer 20

Question 21

What are the consequences of the ‘observer’ behavioural design pattern?

Answer 21

Question 22

What is an example where you would use the ‘command’ behavioural design pattern?

Answer 22

Question 23

What is the ‘command’ behavioural design pattern? How does this help with the restaurant example?

Answer 23

Question 24

What is the applicability of the ‘command’ behavioural design pattern?

Answer 24

Question 25

Diagram of the ‘command’ behavioural design pattern

Answer 25

Question 26

Go over the code example of the ‘command’ behavioural design pattern:

Answer 26

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Question 27

What are the consequences of using the ‘command’ behavioural design pattern?

Answer 27

Question 28

What are some more consequences of using the ‘command’ behavioural design pattern?

Answer 28

Question 29

What is a situation where you would want to use the ‘visitor’ behavioural design pattern?

Answer 29

Question 30

What is the ‘visitor’ behavioural design pattern?

Answer 30

Question 31

What is the applicability of the ‘visitor’ behavioural design pattern?

Answer 31

Question 32

Diagram of the ‘visitor’ behavioural design pattern:

Answer 32

Question 33

Go over the code example of the ‘visitor’ behavioural design pattern:

Answer 33

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Question 34

What are the consequences of using the ‘visitor’ behavioural design pattern?

Answer 34