Design Patterns Online Quiz


Following quiz provides Multiple Choice Questions (MCQs) related to Design Patterns Framework. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Questions and Answers

Answer : A

Explanation

Design patterns can be classified in three categories: Creational, Structural and Behavioral patterns.

Q 2 - Integer.valueOf is an example of Factory pattern.

A - false

B - true

Answer : B

Explanation

true. Integer.valueOf() returns a Integer instance representing the specified int value.

Answer : C

Explanation

Interpreter pattern provides a way to evaluate language grammar or expression. This type of pattern comes under behavioral pattern. This pattern involves implementing an expression interface which tells to interpret a particular context.

Q 7 - Which of the following pattern is used to separate low level data accessing API or operations from high level business services?

A - DAO Pattern

B - Front Controller Pattern

C - Intercepting Pattern

D - Service Locator Pattern

Answer : A

Explanation

DAO Pattern is used to separate low level data accessing API or operations from high level business services.

Q 9 - Which of the following pattern is used when we want to pass data with multiple attributes in one shot from client to server?

A - Factory Pattern

B - Abstract Factory Pattern

C - Singleton Pattern

D - Transfer Object Pattern

Answer : D

Explanation

Transfer Object Pattern is used when we want to pass data with multiple attributes in one shot from client to server.

Answer : B

Explanation

Client, Business Delegate, LookUp Service, Business Service are the entities of Business Delegate Pattern.

design_pattern_questions_answers.htm
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