Software Engineering Patterns Quiz

What design pattern is used to convert the interface of a class into another interface clients expect?

Answer explanation

The design pattern used to convert the interface of a class into another interface clients expect is the Adapter pattern.

What design pattern is used to define a family of algorithms, encapsulate each one, and make them interchangeable?

• Command

• Iterator

• Observer

• Template Method

What design pattern is used to manage a set of objects that are interrelated?

• Composite

• Factory Method

• Abstract Factory

• Singleton

Which design pattern is used to define a family of algorithms, encapsulate each one, and make them interchangeable?

• Strategy

• Adapter

• Facade

• Decorator

Which design pattern is used to maintain a list of objects affected by a business transaction and coordinate the writing out of changes?

• Unit Of Work

• MCQ questions for software engineering students

• Abstract Factory

• Singleton

What design pattern is used to define an interface for creating an object, but let subclasses decide which class to instantiate?

• Factory Method

• Abstract Factory

• Singleton

• Repository

Which design pattern is used to ensure a class has only one instance and provide a global point of access to it?

• Abstract Factory

• Singleton

• Repository

• Unit Of Work

Which design pattern is used to provide a unified interface to a set of interfaces in a subsystem?

• Facade

• Decorator

• Proxy

• Composite

What design pattern is used to provide a surrogate or placeholder for another object to control access to it?

• Proxy

• Composite

• Factory Method

• Abstract Factory

Which design pattern is used to convert the interface of a class into another interface clients expect?

• Adapter

• Facade

• Decorator

• Proxy