Learning The S.O.L.I.D Programming Principles: Liskov substitution principle [Part - IV]

History: In our previous posts we learned ‘What is S.O.L.I.D. Programing Principles’ and a detailed explanation with code of Single Responsibility Principle and Open/closed Principle. S.O.L.I.D. is an acronym introduced by Michael Feathers as: 1.