When to use the Strategy Design Pattern?

When not to use the Strategy Design Pattern?

Here are some situations where you should consider using the Strategy pattern:

Multiple Algorithms:
- When you have multiple algorithms that can be used interchangeably based on different contexts, such as sorting algorithms (bubble sort, merge sort, quick sort), searching algorithms, compression algorithms, etc.
Encapsulating Algorithms:
- When you want to encapsulate the implementation details of algorithms separately from the context that uses them, allowing for easier maintenance, testing, and modification of algorithms without affecting the client code.
Runtime Selection:
- When you need to dynamically select and switch between different algorithms at runtime based on user preferences, configuration settings, or system states.
Reducing Conditional Statements:
- When you have a class with multiple conditional statements that choose between different behaviors, using the Strategy pattern helps in eliminating the need for conditional statements and making the code more modular and maintainable.
Testing and Extensibility:
- When you want to facilitate easier unit testing by enabling the substitution of algorithms with mock objects or stubs. Additionally, the Strategy pattern makes it easier to extend the system with new algorithms without modifying existing code.

Strategy Design Pattern

The Strategy Design Pattern defines a family of algorithms, encapsulates each one, and makes them interchangeable, allowing clients to switch algorithms dynamically without altering the code structure.