[scala-spark]2. Scala運行原理與源碼查看

 運行原理

韓順平

 查看源碼

package com.lineshen.chapter1

object lookSourceCode {
  def main(args: Array[String]): Unit = {
    val arr = new Array[String](10)
    for (item <- arr){
      println("item = ", item )
    }
  }
}

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右移縮進：Tab

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代碼格式化：ctrl+shift+L

package scala
final class Array[T](_length : scala.Int) extends scala.AnyRef with java.io.Serializable with java.lang.Cloneable {
  def length : scala.Int = { /* compiled code */ }
  def apply(i : scala.Int) : T = { /* compiled code */ }
  def update(i : scala.Int, x : T) : scala.Unit = { /* compiled code */ }
  override def clone() : scala.Array[T] = { /* compiled code */ }
}
object Array extends scala.FallbackArrayBuilding with scala.Serializable {
  val emptyBooleanArray : scala.Array[scala.Boolean] = { /* compiled code */ }
  val emptyByteArray : scala.Array[scala.Byte] = { /* compiled code */ }
  val emptyCharArray : scala.Array[scala.Char] = { /* compiled code */ }
  val emptyDoubleArray : scala.Array[scala.Double] = { /* compiled code */ }
  val emptyFloatArray : scala.Array[scala.Float] = { /* compiled code */ }
  val emptyIntArray : scala.Array[scala.Int] = { /* compiled code */ }
  val emptyLongArray : scala.Array[scala.Long] = { /* compiled code */ }
  val emptyShortArray : scala.Array[scala.Short] = { /* compiled code */ }
  val emptyObjectArray : scala.Array[java.lang.Object] = { /* compiled code */ }
  implicit def canBuildFrom[T](implicit t : scala.reflect.ClassTag[T]) : scala.collection.generic.CanBuildFrom[scala.Array[_], T, scala.Array[T]] = { /* compiled code */ }
  def newBuilder[T](implicit t : scala.reflect.ClassTag[T]) : scala.collection.mutable.ArrayBuilder[T] = { /* compiled code */ }
  def copy(src : scala.AnyRef, srcPos : scala.Int, dest : scala.AnyRef, destPos : scala.Int, length : scala.Int) : scala.Unit = { /* compiled code */ }
  def empty[T](implicit evidence$1 : scala.reflect.ClassTag[T]) : scala.Array[T] = { /* compiled code */ }
  def apply[T](xs : T*)(implicit evidence$2 : scala.reflect.ClassTag[T]) : scala.Array[T] = { /* compiled code */ }
  def apply(x : scala.Boolean, xs : scala.Boolean*) : scala.Array[scala.Boolean] = { /* compiled code */ }
  def apply(x : scala.Byte, xs : scala.Byte*) : scala.Array[scala.Byte] = { /* compiled code */ }
  def apply(x : scala.Short, xs : scala.Short*) : scala.Array[scala.Short] = { /* compiled code */ }
  def apply(x : scala.Char, xs : scala.Char*) : scala.Array[scala.Char] = { /* compiled code */ }
  def apply(x : scala.Int, xs : scala.Int*) : scala.Array[scala.Int] = { /* compiled code */ }
  def apply(x : scala.Long, xs : scala.Long*) : scala.Array[scala.Long] = { /* compiled code */ }
  def apply(x : scala.Float, xs : scala.Float*) : scala.Array[scala.Float] = { /* compiled code */ }
  def apply(x : scala.Double, xs : scala.Double*) : scala.Array[scala.Double] = { /* compiled code */ }
  def apply(x : scala.Unit, xs : scala.Unit*) : scala.Array[scala.Unit] = { /* compiled code */ }
  def ofDim[T](n1 : scala.Int)(implicit evidence$3 : scala.reflect.ClassTag[T]) : scala.Array[T] = { /* compiled code */ }
  def ofDim[T](n1 : scala.Int, n2 : scala.Int)(implicit evidence$4 : scala.reflect.ClassTag[T]) : scala.Array[scala.Array[T]] = { /* compiled code */ }
  def ofDim[T](n1 : scala.Int, n2 : scala.Int, n3 : scala.Int)(implicit evidence$5 : scala.reflect.ClassTag[T]) : scala.Array[scala.Array[scala.Array[T]]] = { /* compiled code */ }
  def ofDim[T](n1 : scala.Int, n2 : scala.Int, n3 : scala.Int, n4 : scala.Int)(implicit evidence$6 : scala.reflect.ClassTag[T]) : scala.Array[scala.Array[scala.Array[scala.Array[T]]]] = { /* compiled code */ }
  def ofDim[T](n1 : scala.Int, n2 : scala.Int, n3 : scala.Int, n4 : scala.Int, n5 : scala.Int)(implicit evidence$7 : scala.reflect.ClassTag[T]) : scala.Array[scala.Array[scala.Array[scala.Array[scala.Array[T]]]]] = { /* compiled code */ }
  def concat[T](xss : scala.Array[T]*)(implicit evidence$8 : scala.reflect.ClassTag[T]) : scala.Array[T] = { /* compiled code */ }
  def fill[T](n : scala.Int)(elem : => T)(implicit evidence$9 : scala.reflect.ClassTag[T]) : scala.Array[T] = { /* compiled code */ }
  def fill[T](n1 : scala.Int, n2 : scala.Int)(elem : => T)(implicit evidence$10 : scala.reflect.ClassTag[T]) : scala.Array[scala.Array[T]] = { /* compiled code */ }
  def fill[T](n1 : scala.Int, n2 : scala.Int, n3 : scala.Int)(elem : => T)(implicit evidence$11 : scala.reflect.ClassTag[T]) : scala.Array[scala.Array[scala.Array[T]]] = { /* compiled code */ }
  def fill[T](n1 : scala.Int, n2 : scala.Int, n3 : scala.Int, n4 : scala.Int)(elem : => T)(implicit evidence$12 : scala.reflect.ClassTag[T]) : scala.Array[scala.Array[scala.Array[scala.Array[T]]]] = { /* compiled code */ }
  def fill[T](n1 : scala.Int, n2 : scala.Int, n3 : scala.Int, n4 : scala.Int, n5 : scala.Int)(elem : => T)(implicit evidence$13 : scala.reflect.ClassTag[T]) : scala.Array[scala.Array[scala.Array[scala.Array[scala.Array[T]]]]] = { /* compiled code */ }
  def tabulate[T](n : scala.Int)(f : scala.Function1[scala.Int, T])(implicit evidence$14 : scala.reflect.ClassTag[T]) : scala.Array[T] = { /* compiled code */ }
  def tabulate[T](n1 : scala.Int, n2 : scala.Int)(f : scala.Function2[scala.Int, scala.Int, T])(implicit evidence$15 : scala.reflect.ClassTag[T]) : scala.Array[scala.Array[T]] = { /* compiled code */ }
  def tabulate[T](n1 : scala.Int, n2 : scala.Int, n3 : scala.Int)(f : scala.Function3[scala.Int, scala.Int, scala.Int, T])(implicit evidence$16 : scala.reflect.ClassTag[T]) : scala.Array[scala.Array[scala.Array[T]]] = { /* compiled code */ }
  def tabulate[T](n1 : scala.Int, n2 : scala.Int, n3 : scala.Int, n4 : scala.Int)(f : scala.Function4[scala.Int, scala.Int, scala.Int, scala.Int, T])(implicit evidence$17 : scala.reflect.ClassTag[T]) : scala.Array[scala.Array[scala.Array[scala.Array[T]]]] = { /* compiled code */ }
  def tabulate[T](n1 : scala.Int, n2 : scala.Int, n3 : scala.Int, n4 : scala.Int, n5 : scala.Int)(f : scala.Function5[scala.Int, scala.Int, scala.Int, scala.Int, scala.Int, T])(implicit evidence$18 : scala.reflect.ClassTag[T]) : scala.Array[scala.Array[scala.Array[scala.Array[scala.Array[T]]]]] = { /* compiled code */ }
  def range(start : scala.Int, end : scala.Int) : scala.Array[scala.Int] = { /* compiled code */ }
  def range(start : scala.Int, end : scala.Int, step : scala.Int) : scala.Array[scala.Int] = { /* compiled code */ }
  def iterate[T](start : T, len : scala.Int)(f : scala.Function1[T, T])(implicit evidence$19 : scala.reflect.ClassTag[T]) : scala.Array[T] = { /* compiled code */ }
  def unapplySeq[T](x : scala.Array[T]) : scala.Option[scala.IndexedSeq[T]] = { /* compiled code */ }
}