1. List ??? Seq??? List<String> tmpList = new ArrayList<>(); tmpList.add("abc"); Seq<String> tmpSeq = JavaConverters.asScalaIteratorConverter(tmpList.iterator()).asScala().toSeq(); 2. Seq ??? List??? List<String> tmpList = scala.collection.JavaConversions.seqAsJavaList(tmpSeq);
?????????http://www.cnblogs.com/pekkle/p/9367577.html