C# Multiple abstract class composition design
6524
Multiple Inheritance in C#
6853
Interface vs Abstract Class (general OO)
50570
When to use an interface instead of an abstract class and vice versa?
49322
Component based architecture: "pure" or some inheritance?
57017
Determining the extended interfaces of a Class
17625
Implementing multiple interfaces having same method
105030
When to use: Java 8+ interface default method, vs. abstract method
143832
Java 8 Lambda Expressions - what about multiple methods in nested class
21739
When to use abstract classes?
40326
Objective-C multiple inheritance
139848
Why is multiple inheritance not supported in most of programming language?
134042
Why do many Collection classes in Java extend the abstract class and implement the interface as well?
144204
Implementing the same interface at different generic instantiations
135235
Overriding C++ virtual methods with multiple signatures
57077
Run-time Polymorphism in Java without "abstract"?
90035
Creating the instance of abstract class or anonymous class
66973
Multiple inheritance/prototypes in JavaScript