example15_1.java

不错的教程 适合中高级人员的使用

import java.awt.*;import java.awt.event.*;
class MyFrame extends Frame implements ItemListener,ActionListener
{  Checkbox box; TextArea text; Button button;
   MyFrame(String s)
   {  super(s);
      box=new Checkbox("设置窗口是否可调整大小");
      text=new TextArea(12,12);
      button=new Button("关闭窗口");
      button.addActionListener(this); 
      box.addItemListener(this);
      setBounds(100,100,200,300);
      setVisible(true);
      add(text,BorderLayout.CENTER);
      add(box,BorderLayout.SOUTH);
      add(button,BorderLayout.NORTH);
      setResizable(false);
	  addWindowListener(new WindowAdapter(){
		public void windowClosing(WindowEvent e)
			{System.exit(0);}
		});
	  
      validate();
   } 
   public void itemStateChanged(ItemEvent e)
   {  if(box.getState()==true)
        {  setResizable(true);
        }
       else
        {  setResizable(false);
        }
   }
   public void actionPerformed(ActionEvent e)
   {  dispose();
   }
}
class Example15_1
{  public static void main(String args[])
   { new MyFrame("窗口");
      

   } 
}