Imports System
Public Class MaximumDifferenceBetweenTwoSuccessiveElementsInArray_VB_NET
Public Shared Function MaximumGap(ByVal arr As Integer()) As Integer
Dim gap As Integer = 0
If arr.Length = 0 Then
Return 0
End If
Array.Sort(arr)
Dim size As Integer = arr.Length
For i As Integer = 0 To size - 1 - 1
Dim diff As Integer = arr(i + 1) - arr(i)
If diff > gap Then
gap = diff
End If
Next
Return gap
End Function
Public Shared Sub Main(ByVal args As String())
Dim arr As Integer() = {1, 3, 5, 9, 11, 13}
Console.WriteLine(MaximumGap(arr))
End Sub
End Class
' run:
'
' 4
'