Listing Even Numbers in VB.Net

What are Even Numbers?

Hello pupils, what are even numbers?
Answer:
Even numbers are numbers that are divisible by 2.

They include:

2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, ...

Considering how simple and straight-forward even numbers are, writing a Visual Basic code for even numbers serves as a great way to introduce our Mathematics educational activities for young learners.
Well then, let's see how we can write a programming code to make our computer list a set of even numbers in the Visual Basic language, between a given range of values. Bear in mind, we use only a loop and a simple conditional statement for the Visual Basic code.

Create a new Visual Basic Console Project; call it Arithmetic.vb.
You can rename the module name -- just right-click on the name from the Solution Explorer panel -- to EvenModule if you want.
Create a new Visual Basic Class File; call it EvenNumbers.vb.

Type out the adjoining Visual Basic code for listing even numbers.

VB.Net code for Even Numbers - Class File.

Public Class EvenNumbers

    Dim first As Integer
    Dim last As Integer
    Dim result As New List(Of Integer)

    ' Simulate a constructor
    Public Sub _init_(alpha As Integer, omega As Integer)
        first = alpha
        last = omega
    End Sub

    ' Returns an list Of the desired Set Of even numbers
    Public Function prepResult() As List(Of Integer)
        ' Loop from start to stop and rip out even numbers;

        Dim i = 0
        For i = first To last
            If i Mod 2 = 0 Then ' modulo(%) is explained later
                result.Add(i)
            End If
        Next i

        Return result
    End Function

End Class

VB.Net code for Even Numbers - Main Module.

Module Arithmetic_EvenNumbers

    Sub Main()

        ' Use the even number Class
        Dim lower_boundary = 1
        Dim upper_boundary = 100
        Dim even_list As New EvenNumbers
        even_list._init_(lower_boundary, upper_boundary)
        Dim answer = even_list.prepResult()

        Console.WriteLine("Even numbers between " & lower_boundary & " and " & upper_boundary & " are:")
        Console.Write(String.Join(", ", answer))

    End Sub

End Module

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