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Imports System
Imports System.Text
Imports System.Text.RegularExpressions
Public Class MainClass
Shared Sub Main(ByVal args As String())
Try
Dim a As Double = 5
Dim b As Double = 0
Console.WriteLine("Dividing {0} by {1}...", a, b)
Console.WriteLine("{0} / {1} = {2}", _
a, b, DoDivide(a, b))
' most derived exception type first
Catch e As System.DivideByZeroException
Console.WriteLine("DivideByZeroException caught!")
Catch e As System.ArithmeticException
Console.WriteLine("ArithmeticException caught!")
' generic exception type last
Catch
Console.WriteLine("Unknown exception caught")
End Try
End Sub
' do the division if legal
Shared Public Function DoDivide(ByVal a As Double, ByVal b As Double) As Double
If b = 0 Then
Throw New System.DivideByZeroException( )
End If
If a = 0 Then
Throw New System.ArithmeticException( )
End If
Return a / b
End Function
End Class
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