@Override public void studentTakenBook(Student student, Desk desk, Book book, Environment environment) { for (Robot robot : currentTasks.keySet()) { Task task = currentTasks.get(robot); if (desk.equals(task.getSourceDesk()) && book.getTitle().equals(task.getTitle())) { System.out.println("Student wzial ksiazke przeznaczona dla robota"); } } }