What are design patterns What are the 4 important elements of design patterns?

Design patterns have 4 essential elements:

In software engineering, a design pattern is a general repeatable solution to a commonly occurring problem in software design . A design pattern isn’t a finished design that can be transformed directly into code. It is a description or template for how to solve a problem that can be used in many different situations.

Top 5 Popular Software Design Patterns in 2022

Design Patterns are categorized mainly into three categories: Creational Design Pattern, Structural Design Pattern, and Behavioral Design Pattern . These are differed from each other on the basis of their level of detail, complexity, and scale of applicability to the entire system being design.