A pattern that is intended to provide a means to define a family of algorithms and encapsulate each one as an object for interchangeable use

Related MCQs

• Use ___________ when you need to define a family of algorithms, encapsulate each one, and make them interchangeable.
• Define a family of algorithms, encapsulate each one, and make them interchangeable. It lets the algorithm vary independently from clients that use it.
• Which of the following is an object pattern that encapsulates interchangeable algorithms in objects so the algorithm can vary independently of the classes that use it?
• Encapsulate a request as an object, there by letting you parametrize clients with different requests, queue or log requests, and support undoable operation.
• It is also known as Virtual Constructor and it is used to define an interface for creating an object but letting the subclass decide which class to instantiate, this pattern is :
• Which Design Pattern should you use when more than one object may handle a request, and the handler isn't known a priori. The handler should be ascertained automatically.
• Which design pattern you would you use to limit the class instantiation to one object?
• In which of the following pattern, a null object replaces check of NULL object instance?
• The Proxy pattern deals with situations where you have a complex object or it takes a long time to create the object.
• ____________ object which receives request from UI layer object and then controls/coordinates with other object.