Searches sorted Array for a value using the specified IComparer(Of T) generic interface. : Array Search « Data Structure « VB.Net






Searches sorted Array for a value using the specified IComparer(Of T) generic interface.

 

Imports System
Imports System.Collections.Generic

Public Class ReverseComparer
    Implements IComparer(Of String)

    Public Function Compare(ByVal x As String, _
        ByVal y As String) As Integer _
        Implements IComparer(Of String).Compare

        ' Compare y and x in reverse order.
        Return y.CompareTo(x)

    End Function
End Class

Public Class Example

    Public Shared Sub Main()

        Dim numbers() As String = {"Ten","Two","One","Three","Four","Nine"  }

        For Each num As String In numbers
            Console.WriteLine(num)
        Next

        Dim rc As New ReverseComparer()

        Array.Sort(numbers, rc)

        For Each num As String In numbers
            Console.WriteLine(num)
        Next

        Dim index As Integer = Array.BinarySearch(numbers, "One", rc)
        Console.WriteLine(index)

    End Sub
End Class

   
  








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