try.java

不错的教程 适合中高级人员的使用

import java.io.*;import java.awt.*;import java.awt.event.*;
class Try
{  public static void main(String args[])
   {  int b;
      TextArea text;
      Frame window=new Frame();
      //byte tom[]=new byte[25];
      window.setSize(100,100);text=new TextArea(10,16);
      window.setVisible(true);window.add(text,BorderLayout.CENTER);
      window.pack();
      window.addWindowListener(new WindowAdapter()
                         {  public void windowClosing(WindowEvent e)
                           {  System.exit(0);
                           }
                         }); 
   
      try{  File f=new File("Example20_3.java");
            FileInputStream readfile=new FileInputStream(f);
            while((b=readfile.read())!=-1) 
                {
                   String s=new String (String.valueOf(b));
                   System.out.println(s);
                   text.append(s); 
                }
            readfile.close();
         }
      catch(IOException e)
         {  System.out.println("File read Error");
         }
   }
}