Database using Awt

Write a java program to accept the details of Employee (Eno,EName,Sal) from the user

     and insert it into the Database.(use Awt). ?

import java.awt.*;

import javax.swing.*;

import java.awt.event.*;

import java.sql.*;

public class Employee extends Frame implements ActionListener

{

  Label l1,l2,l3;

  TextField t1,t2,t3;

  Button b;

  Connection cn;

  Statement st;

  ResultSet rs;

  public Employee()

  {

    setLayout(null);

    l1=new Label("Eno");

    l2=new Label("EName");

    l3=new Label("Salary");

    t1=new TextField();

    t2=new TextField();

    t3=new TextField();

    b=new Button("Save");

    l1.setBounds(50,50,100,30);

    t1.setBounds(160,50,100,30);

    l2.setBounds(50,90,100,30);

    t2.setBounds(160,90,100,30);

    l3.setBounds(50,130,100,30);

    t3.setBounds(160,130,100,30);

    b.setBounds(50,170,100,30);

    add(l1);

    add(t1);

    add(l2);

    add(t2);

    add(l3);

    add(t3);

    add(b);

    b.addActionListener(this);

    setSize(500,500);

    setVisible(true);

    addWindowListener(new WindowAdapter()

    {

      public void windowClosing(WindowEvent e)

      {

           System.exit(0);

      }

    });

  }

  public void actionPerformed(ActionEvent oe)

  {

    String str=oe.getActionCommand();

    if(str.equals("Save"))

    {

      try

            {

                        Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");

                              cn=DriverManager.getConnection("jdbc:odbc:Emp","","");

                        st =cn.createStatement();

                        int en=Integer.parseInt(t1.getText());

                        String enn=t2.getText();

                        int sal=Integer.parseInt(t3.getText());

                        String strr="insert into emp values(" + en + " ,'" + enn + "'," + sal + ")";

                        int k=st.executeUpdate(strr);

                        if(k>0)

                        {

                                    JOptionPane.showMessageDialog(null,"Record Is Added");

                        }

            }

            catch(Exception er)

            {

                        System.out.println("Error");

        }

    }

  }

 public static void main(String args[])

 {

   new Employee().show();

 }

}