下面的接口可同时用在服务端和客户端。

The following interface is used on both the server and the client side.

youdao

首先，你必须创建接口文件给服务端和客户端开发者。

First, you need to build the interface JAR file to provide to server and client developers.

youdao

一个聊天工具的服务端和客户端，大家可以参考参考。

A chatting tool services and clients, we can refer to reference.

youdao

And then, we're building Web service and a client.

之后我们建起了网络服务和客户端。

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