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Java动态代理机制分析及扩展,第2部分 - 编程入门网

作者 佚名技术 来源 NET编程 浏览 发布时间 2012-06-16
money)    {      try      {        System.out.println("Transaction: Order " +  ticketNumber + " ticket(s) with "          + money + " RMB");        int charge = seller.buy(ticketNumber, money);        System.out.println("Transaction: Succeed - Charge  is " + charge + " RMB\n");      }      catch (Exception e)      {        System.out.println("Transaction: Fail - " +  e.getMessage() + "\n");      }    } }

Java动态代理机制分析及扩展,第2部分(13)

时间:2011-06-21 IBM / 王忠平 何平

最后,见演示程序的执行结果。

清单 21. 执行输出

Ticket Seller Class: class  com.demo.proxy.test.TicketSellerProxy0 Ticket Theme: World Expo 2010 Query Ticket Price...    >>> Enter method: getTicketPrice    <<< Exit method: getTicketPrice Ticket Price: 180 RMB Transaction: Order 1 ticket(s) with 200 RMB    >>> Enter method: buy    <<< Exit method: buy Transaction: Succeed - Charge is 20 RMB Transaction: Order 1 ticket(s) with 160 RMB    >>> Enter method: buy    <<< Exit method: buy Transaction: Fail - Money is not enough. Still needs 20  RMB. Transaction: Order 250 ticket(s) with 30000 RMB    >>> Enter method: buy    <<< Exit method: buy Transaction: Fail - There is no enough ticket available  for sale, only 199 ticket(s) left Updating Ticket Theme... Query Updated Ticket Theme...    >>> Enter method: getTicketTheme    <<< Exit method: getTicketTheme Updated Ticket Theme: World Expo 2010 in  Shanghai

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