Configuration configuration = Configuration.builder()
                .url("https://login.ingbank.pl/mojeing/rest/")
                .login("<username>") // user login
                .password("<password>") // user password
                .build();

IngConnector ingConnector = new IngConnector(configuration);
EasyIng easyIng = new EasyIng(ingConnector);
AccountsResponseData accounts = easyIng.getAccounts();
        System.out.println("cur: ");
accounts.getAccts().getCur().getAccts().forEach(acc -> {
    System.out.println(String.format("%s | %s", acc.getName(), acc.getAcct()));
    System.out.println("Transactions: ");
    HistoryResponseData transactions = null;
    try {
        transactions = easyIng.getTransactions(Collections.singletonList(acc.getAcct()), "", "2019-11-07", "2019-11-07", 10);
    } catch (IngException e) {
        throw new RuntimeException(e);
    }
    transactions.getTrns().forEach(w -> {
        HistoryResponseData.Transaction m = w.getM();
        System.out.println(String.format("%s | %s | %s | %s", m.getT1(),m.getM1(), m.getAmt(), m.getDate()));
    });
});

System.out.println("sav: ");
accounts.getAccts().getSav().getAccts().forEach(acc -> {
    System.out.println(String.format("%s | %s", acc.getName(), acc.getAcct()));
    HistoryResponseData transactions = null;
    try {
        transactions = easyIng.getTransactions(Collections.singletonList(acc.getAcct()), "", "2019-11-07", "2019-11-07", 10);
    } catch (IngException e) {
        throw new RuntimeException(e);
    }
    transactions.getTrns().forEach(w -> {
        HistoryResponseData.Transaction m = w.getM();
        System.out.println(String.format("%s | %s | %s | %s", m.getT1(),m.getM1(), m.getAmt(), m.getDate()));
    });
});