{filelink=10866}

 import java.awt.*;
 import java.awt.event.*;
 import javax.swing.*;

/****
 * Le programme suspend et reprend
 * un thread de manière non sécurisée
 ***/

 public class ThreadEtat extends JFrame implements Runnable
  	{
      // Les Objets a animer
      private static final String[] listObjet =
          { "|", "/", "-", "\", "|", "/", "-", "\" };

       private Thread monThread;
       private JTextField mascotte;

       public ThreadEtat()
       	{
      mascotte = new JTextField();
      mascotte.setEditable(false);
      mascotte.setFont(new Font("Monospaced", Font.BOLD, 26));
      mascotte.setHorizontalAlignment(JTextField.CENTER);

      final JButton susprendre_anim = new JButton("Suspendre");
      final JButton reprendre_anim = new JButton("Reprendre");
      susprendre_anim.addActionListener(new ActionListener() {

              public void actionPerformed(ActionEvent e) {

                  suspendre();

              }

          });

      reprendre_anim.addActionListener(new ActionListener() {

              public void actionPerformed(ActionEvent e) {

                  reprendre();

              }

          });

      JPanel pnl = new JPanel();
      pnl.setLayout(new GridLayout(0, 1, 3, 3));
      pnl.add(mascotte);
      pnl.add(susprendre_anim);
      pnl.add(reprendre_anim);
      setLayout(new FlowLayout(FlowLayout.CENTER));
      add(pnl);
      setTitle("Exemple de Thread");
      setSize(320, 200);
      setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      setVisible(true);
  }

         // Méthode de suspension
       private void suspendre()
  {

      if ( monThread != null )
      {

          monThread.suspend();

      }

  }

   // Méthode de reprise

       private void reprendre()
  {

      if ( monThread != null )
      	{

          monThread.resume();

      }

  }

       public void run() {

      try {

          monThread = Thread.currentThread();
          int count = 0;

          while ( true )
          	{

              mascotte.setText(

                  listObjet[ count % listObjet.length ]);

              Thread.sleep(200);

              count++;

          }

      } catch ( InterruptedException x ) {

      } finally {

          monThread = null;

      }

  }

       public static void main(String[] args)
       	{

      ThreadEtat obj = new ThreadEtat();
      Thread thr = new Thread(obj);
      thr.start();
  		}

   }