Difference Between

Abstract Class vs Concrete Class Most of the popular modern object oriented programming languages like Java and C# are class based. They achieve the object oriented concepts such as encapsulation, inheritance and polymorphism through the use of classes. Classes are an abstract representation of real world objects.... 

Virtual vs Abstract Virtual and Abstract are two keywords used in most Object Oriented (OO) programming languages such as Java and C#. Although there are slight differences in what it means in different languages, both Virtual and Abstract keywords provide a sense of partial implementation to the entities it...