package untitled1;import java.awt.*;import java.awt.event.*;import java.applet.*;import com.borland.jbcl.layout.*;public class watch extends java.applet.Applet implements Runnable{  int x = 0;  Thread runner = null;  boolean flag = false;  boolean isStandalone = false;  TextField text1 = new TextField();  Button button1 = new Button();  Button button2 = new Button();  XYLayout xYLayout1 = new XYLayout();  /**Get a parameter value*/  public String getParameter(String key, String def) {    return isStandalone ? System.getProperty(key, def) :      (getParameter(key) != null ? getParameter(key) : def);  }  /**Construct the applet*/  public watch() {  }  /**Initialize the applet*/  public void init() {    flag = false;    try {      jbInit();    }    catch(Exception e) {      e.printStackTrace();    }  }  /**Component initialization*/  private void jbInit() throws Exception {    text1.setFont(new java.awt.Font("Dialog", 0, 16));    text1.setText("0");    button1.setFont(new java.awt.Font("Dialog", 0, 16));    button1.setLabel("計時");    button1.addActionListener(new java.awt.event.ActionListener() {      public void actionPerformed(ActionEvent e) {        button1_actionPerformed(e);      }    });    button2.setFont(new java.awt.Font("Dialog", 0, 16));    button2.setLabel("清空");    button2.addActionListener(new java.awt.event.ActionListener() {      public void actionPerformed(ActionEvent e) {        button2_actionPerformed(e);      }    });    this.setLayout(xYLayout1);    this.add(button2,  new XYConstraints(200, 109, -1, -1));    this.add(button1, new XYConstraints(200, 60, -1, -1));    this.add(text1,  new XYConstraints(68, 88, 82, -1));  }  /**Get Applet information*/  public String getAppletInfo() {    return "Applet Information";  }  /**Get parameter info*/  public String[][] getParameterInfo() {    return null;  }  public void run(){     while(true){        int i,j;        x += 1;        i = (int)(x/60);        text1.setText(String.valueOf(i)+":"+ String.valueOf(x-60*i));        try{           Thread.sleep(10); }        catch(InterruptedException e){}      }  }  public void start(){  if(flag){   if(runner==null){      runner=new Thread(this);      runner.start();      }   }  }  public void stop(){   if(runner!=null){       runner.stop();       runner=null;   }  }  void button1_actionPerformed(ActionEvent e) {      flag = !flag;      if (flag)         start();      else         stop();  }  void button2_actionPerformed(ActionEvent e) {      text1.setText("0");      x = 0;  }}