当我尝试打印RDD的内容时,会打印下面显示的内容,如何打印内容？谢谢!
scala> lines
res15: org.apache.spark.rdd.RDD[Array[String]] = MapPartitionsRDD[3] at filter at <console>:23
scala> lines.take(5).foreach(println)
[Ljava.lang.String;@6d3db5d1
[Ljava.lang.String;@6e6be45e
[Ljava.lang.String;@6d5e0ff4
[Ljava.lang.String;@3a699444
[Ljava.lang.String;@69851a51