Abstract classes and Interface in PHP

Abstract classes are those classes which cannot be instantiated and require subclasses to provide implementation for the abstract methods or in other words you cannot create object of abstract classes

Nested Classes in Java: Why use Nested Classes?

Introduction As the name suggests, we can embed a class declaration within another class. This gives us the power to hide our classes within an outer

Difference between Interface and Abstract Class in .Net

Difference between Interface and Abstract Class in .NetIn this blog, I’m explaining about interface and abstract class in .NetAbstract ClassAbstract