Different Types of Software Design Patterns

Software design patterns are broadly classified into 3 categories. These three categories are:

1. Creational Design Patterns
2. Structural Design Patterns
3. Behavioural Design Patterns

A. Creational Design Patterns

This design patterns is focused more towards the process of Object creation. There are many patterns under this category.

1. Singleton Pattern
2. Factory Method Pattern
3. Abstract Factory Pattern
4. Builder Pattern
5. Prototype Pattern

B. Structural Design Patterns

This design patterns focusses on the structure formed using the Classes and Objects. There are many patterns under this category as well, namely:

1. Adapter Pattern
2. Bridge Pattern
3. Composite Pattern
4. Decorator Pattern
5. Facade Pattern
6. Proxy Pattern
7. Flyweight Pattern

C. Behavioural Design Patterns

This design patterns focusses on the way behavior such as flow and communication between the Classes and Objects. There are many patterns under this category, namely:

1. Observer Pattern
2. Strategy Pattern
3. State Pattern
4. Command Pattern
5. Chain of Responsibility
6. Template Pattern
7. Interpreter Pattern
8. Visitor Pattern
9. Mediator Pattern
10. Memento Pattern

All these design patterns help software engineers to design the software by adopting the industry standard best practices. This helps them to write more reusable and maintainable codes.

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