Question

How to flatten 2D array into a sorted one dimensional array using Linq in VB.NET

Answer 1

Imports System
Imports System.Linq

Public Class Program
	Public Shared Sub Main()
		Dim array2d As Integer()() = New Integer(3)(){}

      	array2d(0) = New Integer() {4, 6}
      	array2d(1) = New Integer() {8, 39, 0}
      	array2d(2) = New Integer() {17, 15}
      	array2d(3) = New Integer() {3, 7, 1, 2}
		
        Dim arr = array2d.SelectMany(Function(array) array).OrderBy(Function(x) x)
				
        Console.WriteLine(String.Join(", ", arr))
    End Sub
End Class

	
	
	
' run:
' 
' 0, 1, 2, 3, 4, 6, 7, 8, 15, 17, 39
'

 

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