Library Management using concepts of SOLID Design Principles

Diagram of Class

https://lucid.app/lucidchart/2e379fdf-4f0f-4434-9b2a-fb062a5b65b0/edit?viewport_loc=-7535%2C-2279%2C9957%2C4307%2C0_0&invitationId=inv_8bdd7b1d-2888-4190-90b7-22ef523db745