SOLID

Question 1

What SOLID stand for?

Answer 1

Single-Responsibility Principle (SRP)
Open-Closed Principle (OCP)
Liskov Substitution Principle (LSP)
Interface Segregation Principle (ISP)
Dependency Inversion Principle (DIP)

Question 2

What’s Single-Responsibility Principle (SRP)?

Answer 2

A class should have only one reason to change.

Question 3

What’s Open-Closed Principle (OCP)?

Answer 3

Software entities (classes, modules, functions, etc.) should be open for extension, but closed for modification.

Question 4

What’s Liskov Substitution Principle (LSP)?

Answer 4

Subtypes must be substitutable for their base types.

Question 5

What’s Interface Segregation Principle (ISP)?

Answer 5

Clients should not be forced to depend upon methods that they do not use. Interfaces belong to clients, not to hierarchies.

Question 6

What’s Dependency Inversion Principle (DIP)?

Answer 6

Abstractions should not depend upon details. Details should depend upon abstractions.