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[Minor] Improve some code in BroadcastTest for short #3750

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[Minor] Improve some code in BroadcastTest for short #3750

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5 changes: 1 addition & 4 deletions examples/src/main/scala/org/apache/spark/examples/BroadcastTest.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -38,10 +38,7 @@ object BroadcastTest {
val slices = if (args.length > 0) args(0).toInt else 2
val num = if (args.length > 1) args(1).toInt else 1000000

val arr1 = new Array[Int](num)
for (i <- 0 until arr1.length) {
arr1(i) = i
}
val arr1 = (0 until num).toArray

for (i <- 0 until 3) {
println("Iteration " + i)
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