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

public class Sovellusrunko {
	public static void main(String[] args) {
		Lomake Sovellus = new Lomake("Lomake");	
	}
}

class Lomake extends Frame implements ActionListener, WindowListener {

	TextArea alue;
	Button uusi;

	Lomake(String otsikko) {	

		super(otsikko);	 
		setSize(400,300);	
		setLayout(new FlowLayout());

		add(uusi = new Button("Uusi"));
		add(alue = new TextArea(10,40));

		uusi.addActionListener(this);   
	    	
		addWindowListener(this);
		setVisible(true);
	}

	public void windowClosing(WindowEvent e) { System.exit(0); }
	public void windowClosed(WindowEvent e)  {}
	public void windowDeiconified(WindowEvent e)  {}
	public void windowIconified(WindowEvent e)  {}
	public void windowActivated(WindowEvent e)  {}
	public void windowDeactivated(WindowEvent e)  {}
	public void windowOpened(WindowEvent e)  {}
	
	public void actionPerformed(ActionEvent e) {
     	
	   	if (e.getActionCommand().equals("Uusi")) {
	   		alue.selectAll();	
			alue.replaceText("",alue.getSelectionStart(),alue.getSelectionEnd());
		}
	}
}