Using Group By to partition a list of words by first letter : List « Data Structure « VB.Net

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Using Group By to partition a list of words by first letter
  

Imports System.IO
Imports System.Reflection
Imports System.Linq
Imports System.Xml.Linq

Public Class MainClass
   Public Shared Sub Main

        Dim words = New String() {"b""c""a""b""a""d"}

        Dim wordGroups = From word In words _
                         Group word By Key = word(0Into Group _
                         Select FirstLetter = Key, WordGroup = Group

        For Each g In wordGroups
            Console.WriteLine("Words that start with the letter '" & g.FirstLetter & "':")
            For Each w In g.WordGroup
                Console.WriteLine(w)
            Next
        Next
   End Sub


End Class

   
    
  
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