Design Patterns

Design Patterns (What & Why)

• Design patterns in object oriented programming world helps the developers to make a better software design.
• Design patterns provides solutions to real world software application design problems or in application development.
• Design Patterns are about applying reusable designs and interactions of objects.
• Design patterns provide flexible solutions to solve common design problems in real world.
• It is a template for “solve a problem in real time situations”.
• Writing the code with design patterns will make your applications more Reliable, Scalable and Maintainable.
• "A pattern is a recurring solution to a problem in a context.“

Creational Design Patterns
As the name suggests, this design provide mechanisms of various object creation which reuse of existing code and increase flexibility.

• Abstract Factory
• Builder
• Factory Method
• Prototype
• Singleton

Structural Design Patterns
As the name suggests, this pattern help us to create and implement the flexible and efficient structures and  how to assemble objects and classes into larger structures.

• Adapter
• Bridge
• Composite
• Decorator
• Façade
• Flyweight
• Proxy

Behavioral Design Patterns
As the name suggests, Object behavior and responsibilities between objects are very important and this design patterns are concerned with algorithms as well.

• Chain of Responsibility
• Command
• Interpreter
• Iterator
• Mediator
• Memento
• Observer
• State
• Strategy
• Template Method
• Visitor

When to apply Design Patterns

• Take the design as a reference and check does the design pattern really works as expected. If yes, then only use the pattern.
• The most important part of applying patterns to your codebase is knowing when and where to apply each pattern.
• If you implement just for the sake of the pattern, you will probably do more damage to your project.
• So we’ve decided to go over the most commonly used patterns in first and give some easy and real time examples step by step.
• How I can identify the software design problem?

Click below to see all these these things in action:

Check out the next Design Pattern sessions link below with very easy code examples.

1. SOLID Design Principles in C# | With very easy code examples
2. Design Patterns in C# | With very easy code examples
3. Repository Design Pattern C# | With very easy code examples
4. Generic Repository Design Pattern C# | With very easy code examples
5. Unit Of Work Design Pattern C# | With very easy code examples
6. Dependency Injection C# | Design Pattern | .NET with Unity | With very easy code examples
7. Dependency Injection C# | Design Pattern | .NET Core | With very easy code examples
8. Simple Factory Design Pattern | C# | With very easy code examples
9. Factory Method Design Pattern | C# | With very easy code examples
10. Abstract Factory Design Pattern | C# | With very easy code examples

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