One of the most fundamental design principles is SOLID. Robert C. Martin introduce us on SOLID design principles on 2000. The SOLID principles is a subset of many principles.

Today we will discuss about what is SOLID principles, why its need to use, when its need to use, and much more.

SOLID is an acronym for five design principles, acronym of SOLID is :
1. Single Responsibility Principle (SRP)
2. Open Closed Principle (OSP)
3. Liskov substitution Principle (LSP)
4. Interface Segregation Principle (ISP)
5. Dependency Inversion Principle (DIP)

We will discuss about all SOLID principles in upcoming tutorial. See you next tutorial