import java.io.*;
import java.awt.*;
import java.awt.event.*;

class FileDemo1 extends Frame implements ActionListener,WindowListener
{
   private TextArea inputTextArea;
   private Button saveButton;
   private PrintWriter outFile;

   public static void main(String [] args)
   {
     FileDemo1 demo = new FileDemo1();
     demo.setSize(300,400);
     demo.makeGui();
     demo.setVisible(true);
   }

   public void makeGui()
   {
     saveButton = new Button("save");
     add("North",saveButton);
     saveButton.addActionListener(this);
     inputTextArea = new TextArea(10,50);
     add("Center",inputTextArea);
     addWindowListener(this);
   }

   public void actionPerformed(ActionEvent evt)
   {
      if (evt.getSource() == saveButton)
      {
       try
       {
          outFile = new PrintWriter(new FileWriter("testout.txt"),true);
          outFile.print(inputTextArea.getText());
          outFile.close();
       }

       catch (IOException e)
       {
          System.err.println("File Error: "+e.toString());
          System.exit(1);
       }
    }
}

public void windowClosing(WindowEvent e)
{
   System.exit(0);
}

public void windowIconified(WindowEvent e)
{
}

public void windowOpened(WindowEvent e)
{
}

public void windowClosed(WindowEvent e)
{
}

public void windowDeiconified(WindowEvent e)
{
}

public void windowActivated(WindowEvent e)
{
}

public void windowDeactivated(WindowEvent e)
{
}

}