static void addRecordField(Worker[] worker) throws IOException {
        ArrayList<Worker> workerArrayList = new ArrayList<Worker>();
        Collections.addAll(workerArrayList, worker);
        Worker workman = new Worker (getName(), getDetailsInSomeDay("понедельник"), getDetailsInSomeDay("вторник"), getDetailsInSomeDay("среду"), getDetailsInSomeDay("четверг"), getDetailsInSomeDay("пятницу"), getDetailsInSomeDay("субботу"));
        workerArrayList.add(workman);
        worker = workerArrayList.toArray(worker);
        writeArrayOfRecords(worker);
    }
    static void deleteRecordField(Worker[] worker) throws IOException {
        ArrayList<Worker> workerArrayList = new ArrayList<Worker>();
        Collections.addAll(workerArrayList, worker);
        int index = readIndex(worker.length);
        workerArrayList.remove(worker[index]);
        worker = workerArrayList.toArray(worker);
        writeArrayOfRecords(worker);
    }