String join ([String separator = ""]) inherited
String join([String separator = ""]) { Iterator<E> iterator = this.iterator; if (!iterator.moveNext()) return ""; StringBuffer buffer = StringBuffer(); if (separator == null || separator == "") { do { buffer.write(iterator.current); } while (iterator.moveNext()); } else { buffer.write(iterator.current); while (iterator.moveNext()) { buffer.write(separator); buffer.write(iterator.current); } } return buffer.toString(); }