sockettest.java

java核心技术源代码

/**
   @version 1.10 1997-06-27
   @author Cay Horstmann
*/

import java.io.*;
import java.net.*;

/**
   This program makes a socket connection to the atomic clock
   in Boulder, Colorado, and prints the time that the 
   server sends.
*/
public class SocketTest
{  
   public static void main(String[] args)
   {  
      try
      {  
         Socket s = new Socket("time-A.timefreq.bldrdoc.gov",
            13);

         BufferedReader in = new BufferedReader
            (new InputStreamReader(s.getInputStream()));
         boolean more = true;
         while (more)
         {  
            String line = in.readLine();
            if (line == null) 
               more = false;
            else
               System.out.println(line);
         }

      }
      catch (IOException e)
      {  
         e.printStackTrace();
      }
   }
}