import java.applet.Applet ;
import java.awt.* ;
import java.awt.event.* ;
import java.net.* ;
import java.io.* ;

public class Exemple3 extends Applet implements ActionListener {
  private Button ok ;
  private TextField tf1 ;
  private String host ;

  public void init() {
    setLayout(new GridLayout(3,1,10,10));
    add(new Label("Message",Label.CENTER));
    add(tf1 = new TextField(10));
    add(ok = new Button("Envoyer"));
    ok.addActionListener(this) ;
    URL url = getDocumentBase() ;
    host = url.getHost() ;
    }

  public void actionPerformed(ActionEvent e) {
    Socket s ;
    int port = 5555 ;
    try {
      s = new Socket(host,port) ;
      OutputStream os = s.getOutputStream() ;
      DataOutputStream dos = new DataOutputStream(os) ;
      dos.writeUTF(tf1.getText()) ;
      dos.close() ; }
    catch (UnknownHostException uhe) {
      System.out.println(uhe) ; } 
    catch (IOException ioe) {
      System.out.println(ioe) ; } ;
    } 
  }