how to add JFileChooser to the program
i have to add the JFileChooser at loadp button .....please help
"import java.awt.*;
import java.applet.*;
import java.util.*;
import java.lang.Math.*;
import javax.swing.*;
import java.awt.Toolkit;
import java.awt.BorderLayout;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.awt.event.*;
import javax.swing.event.*;
import javax.swing.text.*;
import java.text.*;
public class tm extends JApplet implements ActionListener{
public void init()
{
JPanel contentPane = new JPanel();
contentPane.setLayout(new GridLayout(1,1));
JButton loadi = new JButton("LOAD INPUT STRING");
contentPane.add(loadi);
loadi.addActionListener(this);
JButton loadp = new JButton("LOAD PROGRAM");
contentPane.add(loadp);
loadp.addActionListener(this);
JButton run = new JButton("RUN");
contentPane.add(run);
run.addActionListener(this);
JButton step = new JButton("STEP");
contentPane.add(step);
step.addActionListener(this);
JPanel prog = new JPanel();
prog.setLayout(new GridLayout(10,1));
JTextField[] programtext = new JTextField[10];
for(int i=0;i<programtext.length;i++)
{
programtext= new JTextField(10);
prog.add(programtext);
}
JPanel state = new JPanel();
state.setLayout(new GridLayout(10,1));
JTextField[] statetext = new JTextField[10];
for(int i=0;i<statetext.length;i++)
{
statetext= new JTextField(10);
state.add(statetext);
}
JPanel tape = new JPanel();
tape.setLayout(new GridLayout(10,1));
JTextField[] tapetext = new JTextField[10];
for(int i=0;i<tapetext.length;i++)
{
tapetext= new JTextField(10);
tape.add(tapetext);
}
JPanel contentPane3 = new JPanel();
contentPane3.setBorder(BorderFactory.createEmptyBorder(50, 50, 50, 50));
contentPane3.setLayout(new BorderLayout());
contentPane3.add(state, BorderLayout.CENTER);
contentPane3.add(contentPane, BorderLayout.NORTH);
contentPane3.add(prog, BorderLayout.WEST);
contentPane3.add(tape, BorderLayout.EAST);
setContentPane(contentPane3);
}
public void actionPerformed(ActionEvent e)
{
}
}">
