static void signUp(){
        System.out.println("nSign Up For a Classn");
        try {
            Scanner input = new Scanner(System.in);
            System.out.println("Enter Student ID: ");
            String user_entered_student_id = input.nextLine();
            Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/ClassSelector", "", "");
            Statement myStmt = con.createStatement();
            ResultSet rs;
            rs = myStmt.executeQuery("SELECT student_name FROM ClassSelector.students WHERE student_id = user_entered_student_id");
            while(rs.next()){
                String userEnterId = rs.getString("student_name");
            System.out.println("Is " + userEnterId + " the correct student?");
            }

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

    }