Design Patterns

Mojtaba Moazen

What is Design Pattern?

In software engineering, a design pattern is a general repeatable solution to a commonly occurring problem in software design. 

why ? 

don't reinvent the wheel again!‌

When?

• Problem Detection
• Which pattern can solve it ? 
• use design pattern ! 

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Proxy Design Pattern

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adapter design pattern

‌Bridge design pattern

Command design pattern

Command design pattern

Memento design pattern

Memento design pattern

Builder design pattern

Builder design pattern

Factory Method design pattern

Factory Method design pattern