please help .... i got problem in event handling

[manish007g]

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;


class manis implements ActionListener
{

Frame f;
Button b1;
TextField t1;
TextField t2;
TextArea ta;

manis()
{
Frame f=new Frame("Framer");
f.setSize(400,400);
Button b1=new Button ("display");
f.add(b1);
b1.addActionListener(this);
TextField t1=new TextField();
f.add(t1);
TextField t2=new TextField();
f.add(t2);
TextArea ta=new TextArea();
f.add(ta);
f.setLayout(new FlowLayout());
f.setVisible(true);


}

public void actionPerformed(ActionEvent e)
{
String s1=t1.getText();
String s2=t2.getText();
ta.setText(s1+s2);
}

public static void main(String s[])
{
new manis();
}
}

[manish007g]

[QUOTE=manish007g;245512]import java.awt.*;
import java.awt.event.*;
import javax.swing.*;


class manis implements ActionListener
{

Frame f;
Button b1;
TextField t1;
TextField t2;
TextArea ta;

manis()
{
Frame f=new Frame("Framer");
f.setSize(400,400);
Button b1=new Button ("display");
f.add(b1);
b1.addActionListener(this);
TextField t1=new TextField();
f.add(t1);
TextField t2=new TextField();
f.add(t2);
TextArea ta=new TextArea();
f.add(ta);
f.setLayout(new FlowLayout());
f.setVisible(true);


}

public void actionPerformed(ActionEvent e)
{
String s1=t1.getText();
String s2=t2.getText();
ta.setText(s1+s2);
}

public static void main(String s[])
{
new manis();
}
}


i want that on pressing button "display" the content of both textfields get set on textarea .....
but its not happening with the above code .....