Question

How to create 2 letters permutation from A, B, C, and D in VB.NET

Answer 1

Imports System

' In a combination, the subset elements can be listed in any order.

Public Class TwoLettersCombinationFromABCD_VB_NET
    Public Shared Sub create_2_letters_combination(ByVal letters As Char())
        Dim size As Integer = letters.Length

        For i As Integer = 0 To size - 1
            For j As Integer = i + 1 To size - 1
				Console.WriteLine("{0}{1}", letters(i), letters(j))
            Next
        Next
    End Sub

    Public Shared Sub Main(ByVal args As String())
        Dim letters As Char() = New Char() {"A"c, "B"c, "C"c, "D"c}

        create_2_letters_combination(letters)
    End Sub
End Class



' run:
'
' AB
' AC
' AD
' BC
' BD
' CD
'

 

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