简单工厂模式的UML类图与源码实现

?

简单工厂模式的UML图

?

源码：Operation类

import Operation.Operation;public class Client {public static void main(String[] args) {Operation operation = OperationFactory.createOperation('*');operation.setNumberA(12);operation.setNumberB(6);System.out.println(operation.operate());}}

?