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java abstract class and interface
java polymorphism
comparable interface java
java inheritance
java super
abstract class python
abstract class c#
interface class in java
abstract class c++
What are abstract classes and methods in Java, and how and why would you use them? Also, what's the difference between an ...
479,743 views
2 years ago
C# abstract classes tutorial example explained #C# #abstract #classes using System; namespace MyFirstProgram { class ...
70,422 views