MessagingBean, illustrated in Listing 4, is a simple POJO with two methods that take an order number and return order details and customer details, respectively.
清单4 所示的MessagingBean是个简单的POJO，有两个方法，都接受订单号，但是分别返回订单细节和客户细节。
MessagingBean, illustrated in Listing 4, is a simple POJO with two methods that take an order number and return order details and customer details, respectively.
清单4 所示的MessagingBean是个简单的POJO，有两个方法，都接受订单号，但是分别返回订单细节和客户细节。
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