Question

How to create an array from a 2D array that only includes the non-zero elements in VB.NET

Answer 1

Imports System
Imports System.Collections.Generic

Public Class ArrayFrom2DArrayWithoutZeros
	Public Shared Sub Main()
        Dim array As Integer(,) = {
        {1, 0, 8, 2},
        {0, 7, 3, 0},
        {9, 0, 0, 4}}
        Dim nonZeroList As List(Of Integer) = New List(Of Integer)()

        For Each element As Integer In array

            If element <> 0 Then
                nonZeroList.Add(element)
            End If
        Next

        Dim resultArray As Integer() = nonZeroList.ToArray()

        For Each element As Integer In resultArray
            Console.Write(element & " ")
        Next
    End Sub
End Class

 
 
' run:
'
' 1 8 2 7 3 9 4 
'

 

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