static void Main(string[] args)
{
Subsystem1 subsystem1 = new Subsystem1();
Subsystem2 subsystem2 = new Subsystem2();
Facade facade = new Facade(subsystem1, subsystem2);
Program.ClientCode(facade);
}
public Facade(Subsystem1 subsystem1, Subsystem2 subsystem2)
{
this._subsystem1 = subsystem1;
this._subsystem2 = subsystem2;
}