Three of the most common methods for retrieving header information sent from a server are shown in Listing 8.

清单8显示了三种最常用的、提取来自服务器的头信息的方法。

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The CustomerService bean is a utility class that implements methods to access the database for adding, updating, removing, and retrieving customer information.

CustomerService bean是个工具类，它实现了访问数据库以增加、更新、删除和查询用户信息的方法。

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This paper introduces a series of authoritative and practical forestry information resources from the Internet with retrieving methods.

本文分类介绍了因特网一系列具有权威性和实用性的林业信息资源及其检索方法。

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