Which of the following is a gang of four structural design pattern?
The GoF Design Patterns are broken into three categories: Creational Patterns for the creation of objects; Structural Patterns to provide relationship between objects; and finally, Behavioral Patterns to help define how objects interact.
How many patterns are describe in the book of Gang of Four?
There are 7 structural design patterns defined in the Gangs of Four design patterns book. Provides an interface between two unrelated entities so that they can work together.
Which are examples of the Memento pattern?
Classic examples of the memento pattern include a pseudorandom number generator (each consumer of the PRNG serves as a caretaker who can initialize the PRNG (the originator) with the same seed (the memento) to produce an identical sequence of pseudorandom numbers) and the state in a finite state machine.
What is Gang of Four GOF Mcq?
Q 1 – What is Gang of Four (GOF)? A – Four authors of Book ‘Design Patterns – Elements of Reusable Object-Oriented Software’ are known as Gang of Four (GOF). B – Gang of Four (GOF) is a name of a book on Design Patterns. C – Gang of Four (GOF) is a Design Pattern.
What are the design patterns used in spring?
Spring framework has been built by using the following design pattern or standard practices.
- Dependency injection or inversion of control (IOC):
- Factory Design Pattern:
- Proxy Design Pattern:
- Singleton Design Pattern:
- Model View Controller (MVC):
- Front Controller Design Pattern:
- View Helper:
- Template method:
Which of the following describes the memento pattern?
Q 19 – Which of the following describes the Memento pattern correctly? A – This pattern is used to get a way to access the elements of a collection object in sequential manner without any need to know its underlying representation.
What is Adapter pattern give an example of adapter pattern?
Example. The Adapter pattern allows otherwise incompatible classes to work together by converting the interface of one class into an interface expected by the clients. Socket wrenches provide an example of the Adapter. A socket attaches to a ratchet, provided that the size of the drive is the same.