public static OperationSytem getInstance(string name)
{
if (instance == null)
{
instance = new OperationSytem(name);
}
return(instance);
}
static void Main(string[] args)
{
Computer comp = new Computer();
comp.Launch("Windows 8.1");
Console.WriteLine(comp.OS.Name);
//не сработает, так как объект уже создан
comp.OS = OperationSytem.getInstance("Windows 10");
Console.WriteLine(comp.OS.Name);
Console.ReadLine();
}
public void Launch(string osName)
{
OS = OperationSytem.getInstance(osName);
}