300 Questions for OREILLY DataBricks Apache Spark Developer Certification + 5 Page Revision notes

Question 9 : You are creating a Spark Job and want to build using sbt tool, with following information

name := "learning-spark-mini-example"

version := "0.0.1"

scalaVersion := "2.10.4"

and this has denpendencies on "spark-core_2.10" with version 1.2.0 

Which is the correct way to add dependencies in sbt file.

1.    libraryDependencies += Seq(

"org.apache.spark" %% "spark-core" % "1.2.0" % "provided"


2.    libraryDependencies ++= Seq(

"org.apache.spark" %% "spark-core" % "1.2.0" % "provided"


3.    libraryDependencies ++= Seq(

"org.apache.spark" % "spark-core" % "1.2.0" % "provided"


4.    libraryDependencies ++= Seq(

"org.apache.spark" , "spark-core" % "1.2.0" % "provided"


Correct Answer : 2 Exp : Correct syntex is below

// additional libraries

libraryDependencies ++= Seq(

"org.apache.spark" %% "spark-core" % "1.2.0" % "provided"


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