F# Method Overriding

Method overriding is a feature of Object oriented programming approach. It helps to achieve polymorphism. We can achieve method overriding using inheritance. Let's see an example.

type Employee() =
 class
  abstract ShowName : unit -> unit
  default this.ShowName() = printfn"This is base class method"
 end

type Manager() =
 class
  inherit Employee()
  override this.ShowName() = printf "This is derived class method"
 end

let employee = new Employee()
let manager = new Manager()
employee.ShowName()
manager.ShowName()

Output:

This is base class method
This is derived class method

Next TopicF# Abstract Classes

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