public String getBICString() {
        Iterator<BankAccount> it = accountsList.iterator();
        StringBuilder builder = new StringBuilder();
        if(it.hasNext()){
            String bic = it.next().getBic();
            builder.append(bic!=null?bic : "");
        }
        while(it.hasNext()){
            String bic = it.next().getBic();
            builder.append(" | ").append(bic!=null?bic : "");
        }
        return builder.toString();
    }