Design Patterns MCQ: Design Patterns Multiple Choice Questions and Answers

In which of the following pattern a class represents functionality of another class?

Which of the following pattern is used when there is a one-to-many relationship between objects such as if one object is modified, its depenedent objects are to be notified automatically?

Which design pattern defines one-to-many dependency among objects?

Which of the following describes the MVC pattern correctly?

In which of the following pattern, a class behavior or its algorithm can be changed at run time.

Which of the following pattern refers to creating duplicate object while keeping performance in mind?

In which of the following pattern, a visitor class is used which changes the executing algorithm of an element class?

Facade pattern promotes weak coupling between the subsystem and its clients.

Which of the following describes the Facade pattern correctly?

If you want to minimize development costs by reusing methods? Which design pattern would you choose?

Which one is pattern creating a duplicate object?

Can We Create A Clone Of A Singleton Object?

Which of the following represents the structure and behavior of the pattern?

Which of the following describes the Builder pattern correctly?

Which of the following pattern is used to provide a centralized request handling mechanism so that all requests will be handled by a single handler?

Which design pattern ensures that only one object of a particular class gets created?

Which of the following is true about design patterns?

Which of the following is the correct list of entities of MVC pattern?

Which design pattern provides a single class which provides simplified methods required by the client and delegates call to those methods?

Encapsulate a request as an object, thereby letting you parametrize clients with different requests, queue or log requests, and support the undoable operation

Which of the following Chooses and standardizes patterns for a problem domain promotes software reuse and hence, quality and productivity?

Design patterns are divided into three fundamental groups.

Which of the following is correct about the Factory design pattern.

Which design pattern works on data and action have taken based on data provided?

Attach additional responsibilities to an object dynamically. It provides a flexible alternative to subclassing for extending functionality.

——– design pattern defines one-to-many dependency between objects

Which design pattern suggests multiple classes through which request is passed and multiple but only relevant classes carry out operations on the request?

Define an interface for creating an object, but let the subclasses decide which class to instantiate. It let the instantiation differ from subclasses.