Anhang B: Beispielprogramm: "DayTimeClient"

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

public class DayTimeClient {

  public static void main(String[] args) {

   Socket theSocket;
   String hostname = "localhost";
   int port = 13;
   DataInputStream inStream;

 try {
    theSocket = new Socket(hostname, port);
    inStream = new DataInputStream(theSocket.getInputStream());

    System.out.println(
     "It's " + inStream.readLine() + " at " + hostname + "."
    );

    inStream.close();
    theSocket.close();
   }
   catch (UnknownHostException e) {
    System.err.println(e);
   }
   catch (IOException e) {
    System.err.println(e);
   }
 }
}

• Erst den Stream schließen, dann die Socketverbindung
• Es werden zwei Fehler behandelt: UnknownHostException und IOException