Public constructor problem

Question

I am getting the following error
The applet orderproc.NewUser does not have a public constructor orderproc.NewUser()
I dont understand this as the rest of my applets have similar code but dont get this problem. Can any of you nice people out there help. Here is my code:
package orderproc;
import java.lang.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.sql.Connection;
import java.sql.Statement;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.ResultSet;
import java.net.URL;
import java.sql.*;
* <p>Title: </p>
* <p>Description: </p>
* <p>Copyright: Copyright (c) 2003</p>
* <p>Company: </p>
* @author unascribed
* @version 1.0
public class NewUser extends JApplet implements ActionListener {
JPanel westPanel;
JPanel eastPanel;
JLabel lblFirstName, lblLastName, lblPassword, lblUserName;
JTextField txtFirstName,txtLastName,txtUserName, txtPassword;
JButton btnSubmit, btnBack, btnCancel;
String FN,LN,PS,UID;
public NewUser()
GridBagLayout gbl;
GridBagConstraints gbc;
gbl = new GridBagLayout();
gbc = new GridBagConstraints();
westPanel = new JPanel();
westPanel.setLayout(gbl);
eastPanel = new JPanel();
eastPanel.setLayout(gbl);
getContentPane().setLayout(new BorderLayout());
getContentPane().add(westPanel, BorderLayout.CENTER);
getContentPane().add(eastPanel, BorderLayout.SOUTH);
lblFirstName = new JLabel("First Name: ");
lblLastName = new JLabel("Last Name: ");
lblPassword = new JLabel("Password: ");
lblPassword = new JLabel("User Name: ");
txtFirstName = new JTextField(15);
txtPassword = new JTextField(15);
txtLastName = new JTextField(15);
txtUserName = new JTextField(15);
btnSubmit = new JButton("Submit");
btnSubmit.addActionListener(this);
eastPanel.add(btnSubmit);
btnCancel = new JButton("Cancel");
btnCancel.addActionListener(this);
eastPanel.add(btnCancel);
btnBack = new JButton("<<<<Back");
btnBack.addActionListener(this);
eastPanel.add(btnBack);
gbc.anchor = GridBagConstraints.NORTH; // Align labels
gbc.gridx = 1;
gbc.gridy = 1;
gbl.setConstraints(lblFirstName, gbc);
westPanel.add(lblFirstName);
gbc.gridx = 1;
gbc.gridy = 2;
gbl.setConstraints(lblLastName, gbc);
westPanel.add(lblLastName);
gbc.gridx = 1;
gbc.gridy = 3;
gbl.setConstraints(lblPassword, gbc);
westPanel.add(lblPassword);
gbc.gridx = 1;
gbc.gridy = 4;
gbl.setConstraints(lblUserName, gbc);
westPanel.add(lblUserName);
gbc.anchor = GridBagConstraints.NORTHWEST;
gbc.gridx = 2;
gbc.gridy = 1;
gbl.setConstraints(txtFirstName, gbc);
txtFirstName.setEditable(true);
westPanel.add(txtFirstName);
gbc.gridx = 2;
gbc.gridy = 2;
gbl.setConstraints(txtLastName, gbc);
txtPassword.setEditable(true);
westPanel.add(txtLastName);
gbc.gridx = 2;
gbc.gridy = 3;
gbl.setConstraints(txtPassword, gbc);
txtPassword.setEditable(true);
westPanel.add(txtPassword);
gbc.gridx = 2;
gbc.gridy = 4;
gbl.setConstraints(txtUserName, gbc);
txtUserName.setEditable(true);
westPanel.add(txtUserName);
public void actionPerformed(ActionEvent ae) // Action event handling
if(ae.getSource() == btnBack)
setVisible(false);
else if(ae.getSource() == btnCancel)
txtFirstName.setText(null);
txtPassword.setText(null);
txtLastName.setText(null);
txtUserName.setText(null);
else if(ae.getSource() == btnSubmit)
FN = txtFirstName.getText();
LN = txtLastName.getText();
PS = txtPassword.getText();
UID = txtUserName.getText();
try
//connect to database
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
System.out.println("Drivers loaded");
String url = "jdbc:odbc:wms";
Connection con = DriverManager.getConnection(url,"root","");
System.out.println("Connection established");
Statement stmt = con.createStatement();
System.out.println("Statement created");
ResultSet res = stmt.executeQuery("INSERT INTO login (FirstName, LastName, Password, UserName) VALUES ('"+FN+"','"+LN+"', '"+PS+"','"+UID+"')");
con.close();
catch(Exception e)
txtFirstName.setText(null);
txtLastName.setText(null);
txtPassword.setText(null);
txtUserName.setText(null);
public void init()
NewUser myNewUser = new NewUser();

Answer 1

Why don't you just implement the RSAPrivateKey and RSAPublicKey interfaces?