Question

How to swap two numbers in array using in function C#

Answer 1

Imports System

Public Class Test
    Public Shared Sub swap(arr() As Integer, i As Integer, j As Integer)
       Dim tmp As Integer
       
       tmp = arr(i)
       arr(i) = arr(j)
       arr(j) = tmp
    End Sub
    
    Public Shared Sub Main()
        Dim arr() As Integer = {7, 4, 2, 9, 1, 5, 8}
	
	    swap(arr, 0, 3)

        For i As Integer = 0 To arr.Length - 1
            Console.Write("{0} ", arr(i))
        Next
    End Sub
End Class



' run
' 
' 9 4 2 7 1 5 8 

 

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