Adding JTable into existing Jframe.

i need to add JTable into this code pls help me..

package Com; import Com.Details; import java.awt.Color; import java.awt.event.ActionEvent; import java.awt.event.ActionListener;

import javax.swing.JButton; import javax.swing.JComboBox; import javax.swing.JDesktopPane; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JTable; import javax.swing.JTextArea; import javax.swing.JTextField; @SuppressWarnings("serial") public class AddPage extends JFrame {

JDesktopPane pane = new JDesktopPane();
static Details details= new Details();

JTextField searcharea;

String str;

{ setLayout(null);

     setTitle("Employee Details Application");

 JButton add=new JButton("ADD NEW");
 JButton edit=new JButton("EDIT");
 JButton delete=new JButton("DELETE");
 JButton save=new JButton("SAVE");
 JButton cancel=new JButton("CANCEL");
 JButton close=new JButton("CLOSE");
 JButton print=new JButton("PRINT");


 add.setBounds(10,40,100,40);
 edit.setBounds(120,40,100,40);
 delete.setBounds(240,40,100,40);
 save.setBounds(360,40,100,40);
 cancel.setBounds(480,40,100,40);
 close.setBounds(600,40,100,40);
 print.setBounds(720,40,100,40);

 add(add);
 add(edit);
 add(save);
 add(delete);
 add(cancel);
 add(close);
 add(print);

 String[] search={"--search by--","Employee_ID","Employee Name"};
    final JComboBox box=new JComboBox(search);
    box.setBounds(10,120,100,25);
    add(box);
 searcharea=new JTextField();
     searcharea.setBounds(130,120,150,25);

     add(searcharea);
     JButton submit=new JButton("SUB");
     submit.setBounds(300,125,80, 20);
     add(submit);

details.setBounds(100,60,1300,600);

    add(pane);

//Action Listener for button //for adding new details
add.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e)
            {
                AddPage addpage=new AddPage();
                addpage.add(details);
                //EmployeeMain empmain=new EmployeeMain();
                //empmain.main(null);

            }
        });   

/*for editing previous details   
     edit.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e)
            {
                AddPage addpage=new AddPage();
                addpage.add(details);
                System.out.println("edit carefully");
            }
        });     */
     //for saving 
save.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e)
            {
                details.insert();
           //EmployeeMain empmain=new EmployeeMain();
           //empmain.main(null);
          System.out.println("saved successfully");
            }

        });     
//action area for search area.
submit.addActionListener(new ActionListener() {
    public void actionPerformed(ActionEvent arg0) {
    String selecteditem=(String) box.getSelectedItem();
    if(selecteditem=="Employee_ID"){
        Employee employee=new Employee();
        String emp=searcharea.getText();
        AddPage addpage=new AddPage();
        addpage.add(details);
        details.setEmpID(emp);

    }

    else if(selecteditem=="Employee Name"){
        Employee employee=new Employee();
        String emp=searcharea.getText();
        AddPage addpage=new AddPage();
        addpage.add(details);
        details.setEmpName(emp);
    }
    }
});

    //end action listener
     //table addition

setVisible(true); setSize(1250,1000);

} public static void main(String[] args) { new AddPage(); //addpage.add(details); // addpage.add(table);

} }

Thanks in advance.