匿名内部类工厂模式

interface Service {
	void method1();
	void method2();
}

interface ServiceFactory {
	Service getService();

}

public class Implementation1 implements Service{

	public void method1() {
		System.out.println("Implementation1 method1");
	}

	public void method2() {
		System.out.println("Implementation1 method2");
	}
	
	public static ServiceFactory factory = new ServiceFactory() {
		
		public Service getService() {
			return new Implementation1();
		}
	};

}

public class Implementation2 implements Service{

	public void method1() {
		System.out.println("Implementation2 method1");
	}

	public void method2() {
		System.out.println("Implementation2 method2");
	}
	
	public static ServiceFactory factory = new ServiceFactory() {
		
		public Service getService() {
			return new Implementation2();
		}
	};

}

public class Factories {
	public static void serviceConsumer(ServiceFactory fact){
		Service s = fact.getService();
		s.method1();
		s.method2();
	}
	
	public static void main(String[] args) {
		serviceConsumer(Implementation1.factory);
		serviceConsumer(Implementation2.factory);
	}
}