27. Design Patterns
Design patterns in software engineering provide a framework for solving common design problems, promoting code reuse and maintainability. By understanding the different categories of design patterns and their applications, developers can create more scalable and manageable software solutions. Learning design patterns also improves communication among developers and aligns practices with industry standards.
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What we have learnt
- Design patterns are reusable solutions to common software design issues.
- There are three main categories of design patterns: Creational, Structural, and Behavioral.
- Choosing the right design pattern depends on factors like problem type, reusability, maintainability, and coupling.
Key Concepts
- -- Design Pattern
- A general repeatable solution to a commonly occurring problem in software design.
- -- Creational Patterns
- Patterns that focus on object creation mechanisms.
- -- Structural Patterns
- Patterns that deal with the composition of classes and objects.
- -- Behavioral Patterns
- Patterns that emphasize communication between objects.
- -- AntiPatterns
- Common but ineffective solutions that may lead to negative outcomes in software design.
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