Creational

Also known as Kit Intent Provide an interface for creating families of related or dependent objects without specifying their concrete classes. Explanation Real-world example To create a kingdom we need objects with a common theme. The Elven Kingdom needs Elven King, Elven Castle, and Elven Army, whereas The Orcish Kingdom needs an Orcish King, Orcish Castle, and Orcish Army. There is a dependency between the objects in the kingdom. In plain words

Intent Separate the construction of a complex object from its representation so that the same construction process can create different representations. Explanation Real-world example Imagine a character generator for a role-playing game. The easiest option is to let the computer create the character for you. If you want to manually select the character details like profession, gender, hair color, etc. the character generation becomes a step-by-step process that completes when all the selections are ready.