Question

How to print the use of different characters (letters) in a string in VB.NET

Answer 1

Imports System

Public Class Program
    Public Shared Sub Main(ByVal args As String())
        Dim str As String = "vb programming language"
        Dim count As Integer = 0
        Dim strsize As Integer = str.Length

		For b As Byte = Convert.ToByte("a"c) To Convert.ToByte("z"c)
            For i As Integer = 0 To strsize - 1
				Dim ch As Char = Chr(b)
                If ch.ToString() = str(i) Then
                    Console.Write(ch & " ")
                    count += 1
                    Exit For
                End If
            Next
        Next

		Console.WriteLine(Environment.NewLine & "Total number of different characters are: " & count)
    End Sub
End Class




' run
'
' a b e g i l m n o p r u v 
' Total number of different characters are: 13
'

 

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