boolean valid = true;
        ArrayList<LoanCategory> userSelectedCategories = new ArrayList<>();
        do {


            System.out.println("Please select from the following list of options, the desired categories for investment:\n" +
                    "(Your answer must be returned in the above format: \"Desired category number\", \"Desired category number\", etc.)");
            int index=1;
            for (LoanCategory category : LoanCategory.values()) {
                System.out.println(index+". "+category);
                ++index;
            }
            Scanner br = new Scanner(System.in);
            String lines = br.nextLine();
            String[] userInputs = lines.trim().split(",");


            for (String userInput : userInputs) {
                try {
                    userSelectedCategories.add(LoanCategory.values()[Integer.parseInt(userInput) - 1]);
                } catch (NumberFormatException exception) {
                    System.out.println("Please enter only vaild inputs: (inputs must be numbers only!)");
                    valid = false;
                }
            }
        }while(!valid);

        System.out.println(userSelectedCategories.toString());

    }