public class DaytimeClient
{
public static final int SERVICE_PORT = 13;

public static void main(String args[])
{
// 检查主机名称参数
if (args.length != 1)
{
System.out.println ("Syntax - DaytimeClient host");
return;
}

// 获取服务器程序的主机名称
String hostname = args[0];

try
{
// 获取一个连接到daytime服务的套接字
Socket daytime = new Socket (hostname,
SERVICE_PORT);

System.out.println ("Connection established");

// 在服务器程序停止的情况下设置套接字选项
daytime.setSoTimeout ( 2000 );

// 从服务器程序读取信息
BufferedReader reader = new BufferedReader (
new InputStreamReader
(daytime.getInputStream()
));

System.out.println ("Results : " +
reader.readLine());

// 关闭连接
daytime.close();
}
catch (IOException ioe)
{
System.err.println ("Error " + ioe);
}
}
}