private String customerToOutput(Customer c) { StringBuilder sb = new StringBuilder(); sb.append(" " + c.getId()) .append(" : ") .append(c.getFirstName()) .append(" , ") .append(c.getLastName()) .append(" - ") .append(c.getMarketingAllowed()); if (c.getPhoneNumbers().size() > 0) { sb.append("\n ").append("Phone Numbers:"); for (PhoneNumber phoneNumber : c.getPhoneNumbers()) { sb.append("\n ") .append(phoneNumber.getId()) .append(" : ") .append(phoneNumber.getPhoneNumber()); } } if (c.getEmailAddresses().size() > 0) { sb.append("\n ").append("Email Addresses:"); for (EmailAddress emailAddress : c.getEmailAddresses()) { sb.append("\n ") .append(emailAddress.getId()) .append(" : ") .append(emailAddress.getEmailAddress()); } } if (c.getAddresses().size() > 0) { sb.append("\n ").append("Addresses:"); for (Address address : c.getAddresses()) { sb.append("\n ") .append(address.getId()) .append(" : ") .append(address.getAddress1()) .append(" , ") .append(address.getAddress2()) .append(" , ") .append(address.getCity()) .append(" , ") .append(address.getState()) .append(" , ") .append(address.getZip()); } } return sb.toString(); }