this is code for delete button,is there any errors??,plz help guys

try {
Class.forName("com.mysql.jdbc.Driver");
Connection cc = (Connection) DriverManager.getConnection("jdbc:mysql://localhost/registration", "root", "");
Statement s = (Statement) cc.createStatement();
ResultSet r = s.executeQuery("delete from students where nic=" + nic.getText() + "");
while (r.next()) {

name.setText(r.getString("Name"));
phone.setText(r.getString("Phone"));
email.setText(r.getString("Email"));
course.setSelectedItem(r.getString("Course"));



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

}

Please Edit your post and wrap your code with
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Can you explain your problem? The code that was posted can't be compiled or executed for testing.