1. List 轉 Seq:
List<String> tmpList = new ArrayList<>(); tmpList.add("abc"); Seq<String> tmpSeq = JavaConverters.asScalaIteratorConverter(tmpList.iterator()).asScala().toSeq();
2. Seq 轉 List:
List<String> tmpList = scala.collection.JavaConversions.seqAsJavaList(tmpSeq);