How to split String based on a Char, if it is in an ArrayList?

I have an arraylist with data structured like so:

        ArrayList<String> payments = new ArrayList<>();
        payments.add("Sam|gbp|10000.0");
        payments.add("John|usd|-100000.0");
        payments.add("Hannah|BTC|20.0");
        payments.add("Halim|btc|-50.0");

I would like to get each line, and then to do it’s split, but it’s not working.

 for (String payment : payments) {
                 String[] data = payment.split("|");
                 System.out.println(data[2]);
                 // Gives a list of characters.

}

How can I get each line to split and within each line, I can get the data out.

Forexample, to do a check of which currency is being used.

>Solution :

First of all, you are triggering a Regex with your split parameter.

Correct use would be String[] data = payment.split("\\|");

Then, to get your currency, use System.out.println(data[1]);.
List- and Array-Indices start with a 0, so your required second field
is accessible with [1].

If you use Java 8, you could

List<String> btcUsers =
               payments
                        .stream()
                        .filter(
                                payment -> payment.split("\\|")[1]
                                        .toLowerCase(Locale.ROOT)
                                        .equals("btc"))
                       .toList();

Which results in

System.out.println(btcUsers);
[Hannah|BTC|20.0, Halim|btc|-50.0]