static void Main()
{
//create box object and use setters
box mybox = new box();
mybox.setHeight(4);
mybox.setLength(3);
mybox.setWidth(2);
//use getters
Console.WriteLine(mybox.getHeight());
Console.WriteLine(mybox.getLength());
Console.WriteLine(mybox.getWidth());
Console.WriteLine(mybox.calcVolume());
Console.ReadLine();
}