Polymorphism and Interfaces in Java (can polymorphism be used to implement interfaces…why?)

Question

In the real world what do people use this for (to solve what types of problems)? Can I see some example code of these working together? All I can find is code about cats and

Answer 1

Have you wondered how LINQ in .net works ? It's all about Interfaces and polymorphism.

You need to work on projects then you will come to know about all this.