//***** try cesium.clock.org as host
import java.net.Socket;
import java.io.IOException;
import java.io.InputStream;
public class DayTime {
    public static void main(String[ ] args) {
        if (args.length < 1) {
           System.err.println("Usage: DayTime <IP address>");
           return;
        }
        try {
            // Port 13 is the well known for daytime
            Socket sock = new Socket(args[0], 13);

            // Get the socket's associated input stream
            InputStream in = sock.getInputStream();

            // Read the bytes sent by remote host.
            byte[ ] bytes = new byte[256];  
            int next_byte = -1;
            int i = 0;
            while ((next_byte = in.read()) != -1 && i < bytes.length) 
                bytes[i++] = (byte) next_byte;
            // Close the socket, which closes the input stream.
            sock.close();

            // Print the bytes separately and as a string.
            int n = i;
            System.out.println("\nThe bytes:");
            for (i = 0; i < n; i++) 
                System.out.print(bytes[i] + " ");
            System.out.println("\n\nBytes as a string:\n" 
                + new String(bytes));
        }
        // UnknownHostException extends IOException
        catch(IOException e) {
            System.err.println(e);
        }
    }
}
/* Output from a sample run: 
The bytes:
70 114 105 32 77 97 114 32 50 56 32 49 50 58 51 54 58 52 57 32 50 48 48 51 
13 10 

The bytes as string characters: (if the server sent ASCII bytes).
Fri Mar 28 12:36:49 2003\r\n
*/
//**********************************************************************************