public static void Main(string[] args)
{
Display d1 = new StringDisplay("Hello, world.");
Display d2 = new SideBorder(d1, '#');
Display d3 = new FullBorder(d2);
d1.Show();
d2.Show();
d3.Show();
Display d4 = new FullBorder(d3);
d4.Show();
}
static void Main(string[] args)
{
Display b1 = new StringDisplay("Hello, world.");
Display b2 = new SideBorder(b1, '#');
Display b3 = new FullBorder(b2);
b1.Show();
b2.Show();
b3.Show();
Display b4 = new SideBorder(new FullBorder(new SideBorder(new FullBorder(new StringDisplay("こんにちは。")), '*')), '/');
b4.Show();
}