Hard Coded Rules
Hard coded rules are static, predefined logic or conditions embedded directly into software code, typically as if-then statements or fixed values, to enforce specific behaviors or decisions without external configuration. They are often used for simple, unchanging requirements like validation checks, business logic, or system constraints. This approach contrasts with dynamic or configurable systems where rules can be modified without altering the source code.
Developers should use hard coded rules when dealing with stable, well-understood requirements that are unlikely to change, such as mathematical constants, basic input validation, or core application logic that must remain consistent. It simplifies development by reducing complexity and overhead from external configuration, but it can lead to maintenance challenges if rules need frequent updates, as changes require code modifications and redeployment.