- A design pattern is a recurring solution to a standard problem
- It is a reusable solution to a commonly occurring problem in software design
- Time tested solution for Architecture problems
The 23 Gang of Four (GoF) patterns are generally considered the foundation for all other patterns. They are categorized in three groups: Creational, Structural, and Behavioral
In this, I have explained all 23 design patterns with UML diagram and real world example.So, The real world example gives better idea about how can we use specific design pattern when problem arise.
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