Question

How to filter a map in VB.NET

Answer 1

Imports System
Imports System.Collections.Generic
Imports System.Linq

Class Program
    Public Shared Sub Main()
        Dim myDictionary = New Dictionary(Of Integer, String) From {
			{1, "VB.NET"},
            {2, "C"},
            {3, "C++"},
            {4, "Java"},
            {5, "Python"}
        }
        Dim filteredDictionary = myDictionary.Where(Function(kvp) kvp.Key > 2).ToDictionary(Function(kvp) kvp.Key, Function(kvp) kvp.Value)

        For Each kvp In filteredDictionary
            Console.WriteLine($"Key: {kvp.Key}, Value: {kvp.Value}")
        Next
    End Sub
End Class



' run:
'
' Key: 3, Value: C++
' Key: 4, Value: Java
' Key: 5, Value: Python
'

 

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