3 January 2024
براء الحسنWhat's the solution ? How do I know him?
how i can tell.. its your code which is making.. you need to inspect complete code again.
براء الحسنException in thread "AWT-EventQueue-0" java.lang.NullPointerException: Cannot invoke "java.sql.Connection.prepareStatement(String)" because "this.con" is null
I just told the error what you are facing..