connect data base && Applet

السلام عليكم ورحمة الله وبركاته

كيف استطيع ربط الداتا بيس مع الجافا باستخدام الابلت

عندما كتبت الكود ع الفريم اشتغل ولكن عند تحويله الى ابلت اظهر لي الاكسبشن

MYSQL Test
java.lang.ExceptionInInitializerError
    at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:286)
    at java.sql.DriverManager.getConnection(DriverManager.java:582)
    at java.sql.DriverManager.getConnection(DriverManager.java:185)
    at NewClass1.init(NewClass1.java:25)
    at sun.applet.AppletPanel.run(AppletPanel.java:424)
    at java.lang.Thread.run(Thread.java:619)
Caused by: java.security.AccessControlException: access denied (java.util.PropertyPermission file.encoding read)
    at java.security.AccessControlContext.checkPermission(AccessControlContext.java:323)
    at java.security.AccessController.checkPermission(AccessController.java:546)
    at java.lang.SecurityManager.checkPermission(SecurityManager.java:532)
    at java.lang.SecurityManager.checkPropertyAccess(SecurityManager.java:1285)
    at java.lang.System.getProperty(System.java:650)
    at com.mysql.jdbc.StringUtils.<clinit>(StringUtils.java:70)
    ... 6 more

وهذا هو الكود

 import java.sql.*;
 import java.awt.BorderLayout;
import javax.swing.*;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import java.util.ArrayList;
import javax.swing.table.DefaultTableModel; 

public class NewClass1 extends JApplet{


    public  static javax.swing.JTable table = new JTable(); 
    static  DefaultTableModel jdtm= new DefaultTableModel();

      public void  init() {

    	 Connection conn = null;

        System.out.println("MYSQL Test");

        try {
                Class.forName("com.mysql.jdbc.Driver").newInstance();
                conn = DriverManager.getConnection(
                        "jdbc:mysql://localhost:3306/example","root","root");

        }
        catch (Exception e) {
                System.out.println(e);
                System.exit(0);
                }

        System.out.println("Connection established");

        try {
                Statement s = conn.createStatement();
               ResultSet r = s.executeQuery
                ("SELECT studentName, subject,mark FROM student");
                while(r.next()) {
                        System.out.println ("Student name is "+
                                r.getString("studentName") + " and the Subject is " +
                                r.getString("subject") );
                                String a=r.getString("studentName");
                                String b=r.getString("subject");
                                String c=r.getString("mark");
                                Object obj[] = {a,b,c};
                                 jdtm.addRow(obj);
                               // Object o = new Object();


                        }



        }
        catch (Exception e) {
           e.printStackTrace();
                }






                table.setModel(jdtm);


              jdtm.addColumn("Name");
                jdtm.addColumn("subject");
                jdtm.addColumn("mark");

        // Make the frame
        JFrame frame = new JFrame("JFrame and JTable example 2");
        frame.setSize(550, 200);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);   // Action when window closes

               // Make table

        JScrollPane scrollPane = new JScrollPane(table);        // Make scrollpane with table

        // Add scrollpane with table to the frame and show the frame to user
        frame.getContentPane().add(scrollPane, BorderLayout.CENTER);
        frame.getContentPane().add(new JLabel("                                             Data from studant shcema"+" \n\n\n\n ") , BorderLayout.NORTH);
         frame.getContentPane().add(new JLabel("                               ") , BorderLayout.EAST);
          frame.getContentPane().add(new JLabel("                               ") , BorderLayout.WEST);
           frame.getContentPane().add(new JLabel("                               ") , BorderLayout.SOUTH);
        frame.setVisible(true);
    }



/*public static void main(String [] args) {

        NewClass1 frame = new NewClass1(); 

       Connection conn = null;

        System.out.println("MYSQL Test");

        try {
                Class.forName("com.mysql.jdbc.Driver").newInstance();
                conn = DriverManager.getConnection(
                        "jdbc:mysql://localhost:3306/example","root","root");

        }
        catch (Exception e) {
                System.out.println(e);
                System.exit(0);
                }

        System.out.println("Connection established");

        try {
                Statement s = conn.createStatement();
               ResultSet r = s.executeQuery
                ("SELECT studentName, subject,mark FROM student");
                while(r.next()) {
                        System.out.println ("Student name is "+
                                r.getString("studentName") + " and the Subject is " +
                                r.getString("subject") );
                                String a=r.getString("studentName");
                                String b=r.getString("subject");
                                String c=r.getString("mark");
                                Object obj[] = {a,b,c};
                                 jdtm.addRow(obj);
                               // Object o = new Object();


                        }



        }
        catch (Exception e) {
           e.printStackTrace();
                }




        }*/

}