This material will be of particular interest to developers and administrators with a knowledge of messaging in j2ee 1 . 3 who are looking to write new applications or migrate existing messaging applications to a j2ee 1 . 4 - compliant application server 这些内容对于这些开发人员和管理人员特别有用：他们熟悉j2ee 1 . 3中的消息、并且希望编写新的应用程序或者将现有消息应用程序移植到兼容j2ee 1 . 4的应用服务器上。
