Difference Between

Abstract Class vs Inheritance Abstract class and Inheritance are two important object oriented concepts found in many object oriented programming languages like Java. Abstract class can be considered as an abstract version of a regular (concrete) class, while Inheritance allows new classes to extend other classes.... 

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....