Creational

Question 1

Factory Method

Answer 1

Provides an interface for creating objects in a superclass. allows subclasses to alter the type of objects that will be created.

Question 2

Abstract Factory

Answer 2

Lets you produce families of related objects without specifying their concrete classes.

Question 3

Builder

Answer 3

Lets you construct complex objects step by step. The pattern allows you to produce different types and representations of an object using the same construction code.

Question 4

Prototype

Answer 4

Lets you copy existing objects without making your code dependent on their classes.

Question 5

Singleton

Answer 5

Lets you ensure that a class has only one instance, while providing a global access point to this instance.