SOLID

This principle refers to the unique responsibility that each program should have with a specific and limited task.

The open/closed principle (OCP) says that every class, module, method, etc. should be open for an extension but must be closed for modification.

The Liskov substitution principle (LSP) is an object-oriented design principle that states that a subclass must be interchangeable with its superclass without changing the program’s behavior.

This principle about Interface segregation principle (ISP) says that any client should not be required to depend on methods they do not use.