L7 - Pattern Oriented Design

Question 1

If there are still possible changes at runtime. Which design pattern would you choose?

Answer 1

Strategy Pattern

Question 2

If code ‘must be extensible’. Which design pattern should be used?

Answer 2

Observer Pattern

Question 3

If a class ‘must interface to existing service or API’. Which design pattern should be used?

Answer 3

Façade pattern

Question 4

Goals of Pattern-Oriented Design

Answer 4

Manage Complexity & Reduce Costs & Reduce Time2Market

Question 5

If class should be location transparent. What is an appropriate pattern?

Answer 5

Proxy Pattern

Question 6

If a class ‘must interface with an existing object’. Which design pattern should be used?

Answer 6

Adapter Pattern

Question 7

Keyword for Bridge Pattern

Answer 7

‘must interface to several systems that have to be developed’

Question 8

Keyword for Adapter Pattern

Answer 8

‘must interface with an existing object’

Question 9

Cue sentence for a Proxy Pattern

Answer 9

‘must be location transparent’

Question 10

Composite Pattern is used when it must …

Answer 10

‘have variable depth and width’