checkbox

Frame frame = new Frame("Check Box Frame");
   
   
    //frame.setSize(400, 400);
   
    //frame.setVisible(true);
 
   
       public static void main(String[] args) { 
    // Work2 test = new Work2();
    // getContentPane().add(mybutton);
  
       Frame frame=new Frame("Button Frame");      
       frame.setSize(800,600);
       frame.setVisible(true);
       Button button = new Button("Submit");
       frame.add(button);
       frame.setLayout(new FlowLayout());
       button.setSize(500,200);
       button.setVisible(true);
       Checkbox chk = new Checkbox("This is the Check Box");
       frame.add(chk);
       chk.setSize(30,30);
       chk.setVisible(true);
      

      frame.addWindowListener(new WindowAdapter(){
      public void windowClosing(WindowEvent e){
        System.exit(0);
      }
    });


       } 
   
       // 用建構方法來建立元件、將元件加入視窗、顯示視窗 
        public Work2() { 
        /* setTitle("Listener 示範");    // 設定視窗標題 
        Button mybutton = new Button("換個標題"); 
   
         // 通知按鈕物件：本物件要當傾聽者 
        mybutton.addActionListener(this); 
   
         getContentPane().add(mybutton); 
         setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 
         setSize(SizeW,SizeH); 
         setVisible(true);*/ 
       } 
   
       public void actionPerformed(ActionEvent e) { 
           SizeW = (int)(SizeW * 2); 
           SizeH = (int)(SizeH * 2);   
          //setSize(SizeW,SizeH); 
       } 
   
 }