Chapter 3: Learning Just Enough C# and VB.NET: Types and Members 79
namespace FirstProgram
{
class Program
{
static void Main(string[] args)
{
Calc mathProg = new Calc();
int squaredInt = mathProg.SquareInt(3);
Console.WriteLine("3 squared is " + squaredInt);
Console.ReadKey();
}
}
}

C# (Calc.cs):

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace FirstProgram
{
public class Calc
{
public int SquareInt(int number)
{
return number * number;
}
}
}
VB (Module1.vb):
Module Module1
Sub Main()
Dim mathProg As New Calc()
Dim squaredInt As Integer = mathProg.SquareInt(3)
Console.WriteLine("3 squared is " & squaredInt)
End Sub
End Module