JButton btnSubmit = new JButton("Submit");
    btnSubmit.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent arg0) {

            File EmployeeFile = new File("C:/Users/Nicol/Desktop/Employeesname.txt");
              if(!EmployeeFile.exists())
                {
                    try
                    {
                        boolean HasBeenCreated = EmployeeFile.createNewFile();
                        if(HasBeenCreated)
                        {
                            System.out.println("A new employee has been added succesfully! Their detail-file has been created on the desktop.");
                        }
                        else
                        {
                            System.out.println("An error occured. Employee's file has not been created.");
                        }
                    }
                    catch (IOException ex)
                    {
                        ex.printStackTrace();
                    }

                }