public static List<String> stringsFromNames(List<Named> fields, final boolean alreadyInterned) { // 29-Jan-2018, tatu: With seemingly simple definition (commented out) getting // strange "java.lang.NoClassDefFoundError: Could not initialize class java.util.stream.StreamOpFlag" // so having to replace with bit different /* return fields.stream() .map(n -> _fromName(n, alreadyInterned)) .collect(Collectors.toList()); */ ArrayList<String> result = new ArrayList<String>(fields.size()); for (Named n : fields) { result.add(_fromName(n, alreadyInterned)); } return result; }