然后找到主函数方法如下: class MainApp { public static void main() { AbstractFactory factory1 = new ConcreteFactory1(); Client c1 = new Client(factory1); c1.run(); AbstractFactory factory2 = new ConcreteFactory2(); Client c2 = new Client(factory2); c2.run(); } } class MainApp { public 你的当前访问异常,请进行认证后继续阅读剩余内容。 提交