Hi Deep, Please find below results of ArrayBuffer in scala REPL
scala> import scala.collection.mutable.ArrayBuffer import scala.collection.mutable.ArrayBuffer scala> val a = ArrayBuffer(5,3,1,4) a: scala.collection.mutable.ArrayBuffer[Int] = ArrayBuffer(5, 3, 1, 4) scala> a.head res2: Int = 5 scala> a.tail res3: scala.collection.mutable.ArrayBuffer[Int] = ArrayBuffer(3, 1, 4) scala> a.length res4: Int = 4 Regards, Rajesh On Wed, Sep 3, 2014 at 10:13 AM, Deep Pradhan <pradhandeep1...@gmail.com> wrote: > Hi, > I have the following ArrayBuffer: > > *ArrayBuffer(5,3,1,4)* > > Now, I want to get the number of elements in this ArrayBuffer and also the > first element of the ArrayBuffer. I used .length and .size but they are > returning 1 instead of 4. > I also used .head and .last for getting the first and the last element but > they also return the entire ArrayBuffer (ArrayBuffer(5,3,1,4)) > What I understand from this is that, the entire ArrayBuffer is stored as > one element. > > How should I go about doing the required things? > > Thank You > >
