Does C# support multiple inheritance?

Question

What is inheritance, Does C# support multiple inheritance

Quinn Lillian · Answer

C# does not support multiple inheritance of classes, but it allows multiple interfaces to be implemented.

Sandhiya Priya · Answer

What is Inheritance in C#? Inheritance is an OOP feature that allows one class (child) to reuse and extend the properties and methods of another class (parent). Definition: Inheritance is a mechanism where a derived class (child) acquires the features (fields, methods, properties) of a base class (parent). Syntax Example // Base class (Parent) public class Animal { public void Eat() { Console.WriteLine("Animal is eating..."); } } // Derived class (Child) public class Dog : Animal { public void Bark() { Console.WriteLine("Dog is barking..."); } } Usage: Dog d = new Dog(); d.Eat(); // inherited from Animal d.Bark(); // from Dog class Output: Animal is eating... Dog is barking... Here: Animal ? Base class Dog ? Derived class : ? Indicates inheritance Why Use Inheritance? ? Reuse existing code ? Improve maintainability ? Create hierarchical class structures ? Enable polymorphism (method overriding) Types of Inheritance in C# Type Description Example Single Inheritance One base ? One derived class B : A Multilevel Inheritance Class inherits another derived class class C : B Hierarchical Inheritance Multiple classes inherit from one base class B : A, class C : A Multiple Inheritance A class inherits from multiple classes Not supported in C# (via classes) Does C# Support Multiple Inheritance? No , C# does not support multiple inheritance with classes (i.e., you can’t inherit from more than one base class). Example (Not Allowed): public class A { } public class B { } public class C : A, B { } // Error: C# does not support multiple base classes But C# Supports Multiple Inheritance via Interfaces You can implement multiple interfaces in one class. public interface IReadable { void Read(); } public interface IWritable { void Write(); } public class Document : IReadable, IWritable { public void Read() => Console.WriteLine("Reading document..."); public void Write() => Console.WriteLine("Writing document..."); } Output: Reading document... Writing document... So: C# supports multiple inheritance using interfaces , not with classes . This avoids the “ diamond problem ” (ambiguity when multiple base classes define the same method). Summary Table Feature Description Purpose Reuse and extend functionality of existing classes Keyword : Base class The class being inherited from Derived class The class that inherits Multiple inheritance with classes Not supported Multiple inheritance with interfaces Supported Quick Example Summary public class Vehicle { public void Move() => Console.WriteLine("Vehicle moving..."); } public class Car : Vehicle { public void Honk() => Console.WriteLine("Car honking..."); } Car c = new Car(); c.Move(); // inherited c.Honk(); // own method

Saurabh Prajapati · Answer

Inheritance is an object-oriented programming (OOP) concept where a class (called a derived or child class) inherits properties and behaviors (methods and fields) from another class (called a base or parent class). It promotes code reuse . It models "is-a" relationships No , C# does not support multiple inheritance.

Does C# support multiple inheritance?

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