The factory pattern streamlines application issues, like when a developer must reply to users based upon the machine they are using. Learn how to use it with these examples.

The factory design pattern is a popular pattern that can be used to create objects. It is a creational pattern (GOF) and provides a standard and elegant way to create instances of classes.

Collections provides factory methods for creating empty List s, java.util.Set s, and Map s, and for creating singleton List s, Set s, and Map s that have exactly one element or key-value pair.