C# Abstract Class with Examples

When you have a class, method, property that doe not required implementation in current class you can make the that class, method, property abstract, Instead, it is meant to be overridden or implemented in derived (child) classes. The abstract class method is declared with abstract keyword is defined in the subclasses and has an empty body.

C# Abstract Class with Examples

The below is syntax and detail of abstract method:

Abstract Classes:

We can not create the instance of abstract class directly. It serves as a blueprint for other classes (derived classes) to inherit from. Abstract classes can contain both abstract and non-abstract members. Abstract methods within an abstract class are meant to be overridden by derived classes, while non-abstract methods can have implementations and are inherited as is.

Example

public abstract class Fruit
{
  public abstract string FruitColor(); // Abstract method
  public void FruitTaste()
  {
    Console.WriteLine("Fruits have taste");
  }
}

Abstract Methods:

Abstract methods are declared within an abstract class and do not have a method body. They are intended to be implemented by any non-abstract derived class. When you inherit from an abstract class and override its…