using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace BuilderPattern { class Program { static void Main(string[] args) { Director director = new Director(); HpBulider hpBuilder = new HpBulider(); DellBulider dellBuilder =new DellBulider(); //组装一批惠普电脑 Computer hp =director.Construct(hpBuilder); hp.ShowSteps(); Console.ReadLine(); //组装一批戴尔电脑 Computer dell = director.Construct(dellBuilder); dell.ShowSteps(); Console.ReadLine(); } } }