Types of Design Patterns

1. Creational Patterns

These are about how to create objects in smart ways.
They help make your code flexible and reusable.

• Example: Singleton, Factory, Builder

2. Structural Patterns

These are about how to organize and connect classes or objects to make bigger systems.
They help keep the system clean, flexible, and efficient.

• Example: Adapter, Composite, Decorator

3. Behavioral Patterns

These are about how objects interact and share responsibilities.
They focus on how the program behaves.

• Example: Observer, Strategy, Command