@Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;
        Account account = (Account) o;
        if (balance != null ? !balance.equals(account.balance) : account.balance != null) return false;
        if (clients != null ? !clients.equals(account.clients) : account.clients != null) return false;
        if (number != null ? !number.equals(account.number) : account.number != null) return false;
        return true;
    }