The given code retrieves the data from the database table and show values on Frame.

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

class ShowCheckboxSelected extends JFrame
{

ShowCheckboxSelected(){
String des = "Deselected";
String sel = "Selected";

JLabel label1 = new JLabel();
label1.setText("Name:");
JTextField text1 = new JTextField(20);

JLabel label2 = new JLabel();
label2.setText("Age:");
JTextField text2 = new JTextField(20);

JLabel label3 = new JLabel("Indian?");
JCheckBox check = new JCheckBox();


JPanel panel=new JPanel(new GridLayout(3,2));
panel.add(label1);
panel.add(text1);
panel.add(label2);
panel.add(text2);
panel.add(label3);
panel.add(check);
add(panel);

try{
Class.forName("com.mysql.jdbc.Driver").newInstance();
        Connection conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/test", "root", "root" );
        Statement st=conn.createStatement();
        ResultSet rs=st.executeQuery("select * from employee where id='2'");
        String str=" ";
        if(rs.next()){
            text1.setText(rs.getString("name"));
            text2.setText(Integer.toString(rs.getInt("Age")));
            str=rs.getString("nationality");
            System.out.println(str);
            if(str.equals("true")){
                check.setSelected(true);
            }
            else{
                check.setSelected(false);
            }

        }
    }
catch(Exception e){}

}
public static void main(String arg[]){
try
{
ShowCheckboxSelected frame=new ShowCheckboxSelected();
frame.pack();
frame.setVisible(true);
}
catch(Exception e)
{}
}
}