The question has no connection to spark.
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On Fri, Sep 30, 2016 at 11:25 AM, chen yong <cy...@hotmail.com> wrote:
> Hello All,
>
>
>
> I am using IDEA 15.0.4 to debug a scala program. It is strange to me that
> the results were different when I debug or run the program. The differences
> can be seen in the attached filed run.jpg and debug.jpg. The code lines
> of the scala program are shown below.
>
>
> Thank you all
>
>
> -------
>
> import scala.collection.mutable.ArrayBuffer
>
> object TestCase1{
> def func(testtttt:Iterator[(Int,Long)]): Iterator[(Int,Long)]={
> println("in")
> val testtttt1=testtttt.flatmap{
> case(item,count)=>
> val newPrefix=item
> println(count)
> val a=Iterator.single((newPrefix,count))
> func(a)
> val c = a
> c
> }
> testtttt1
> }
> def main(args: Array[String]){
> val freqItems = ArrayBuffer((2,3L),(3,2L),(4,1L))
> val testtttt = freqItems.toIterator
> val result = func(testtttt)
> val reer = result.toArray
> }
> }
>
>
>
>
