工厂与接口
接口和工厂模式
interface Service{void method1();void method2();}interface ServiceFactory{Service getService();}class Implementation1 implements Service{Implementation1(){};public void method1() {System.out.println("Implementation1 method1");}public void method2() {System.out.println("Implementation1 method2");}}class ImplementationFactory implements ServiceFactory{public Service getService(){return new Implementation1();}}class Implementation2 implements Service{Implementation2(){}public void method1(){System.out.println("Implementation2 method1");}public void method2(){System.out.println("Implementation2 method2");}}class Implementation2Factory implements ServiceFactory{public Service getService(){return new Implementation2();}}public class Factories{public static void serviceConsume(ServiceFactory fact){Service s = fact.getService();s.method1();s.method2();}public static void main(String[] args){serviceConsume(new ImplementationFactory());serviceConsume(new Implementation2Factory());}}?