Question

How to calculate factorial using recursion in VB.NET

Answer 1

Imports System

Public Class Program
	Public Shared Function factorial(ByVal n As Integer) As Integer
        Return If((n = 1 OrElse n = 0), 1, n * factorial(n - 1))
    End Function

    Public Shared Sub Main()
        Dim n As Integer = 5
			
        Console.Write(factorial(n))
    End Sub
End Class
	
	
	

' run:
'
' 120
'

 

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Answer 2

Imports System

Public Class Program
    Public Shared Function factorial(ByVal n As Integer) As Integer
        Return If(n = 0, 1, n * factorial(n - 1))
    End Function

    Public Shared Sub Main()
        Dim n As Integer = 5
			
        Console.Write(factorial(n))
    End Sub
End Class
	
	
	

' run:
'
' 120
'

 

70+ SQL courses for beginners and professionals