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1.  final def !=(arg0: Any): Boolean

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2.  final def ##(): Int

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3.  final def ==(arg0: Any): Boolean

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4.  final def asInstanceOf[T0]: T0

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5.  def clone(): AnyRef

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   protected[java.lang]

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6.  final def eq(arg0: AnyRef): Boolean

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7.  def equals(arg0: Any): Boolean

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8.  def finalize(): Unit

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   protected[java.lang]

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   @throws( classOf[java.lang.Throwable] )

9.  final def getClass(): Class[_]

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   @native()

10.  def hashCode(): Int

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    @native()

11.  final def isInstanceOf[T0]: Boolean

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12.  final def ne(arg0: AnyRef): Boolean

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13.  final def notify(): Unit

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    @native()

14.  final def notifyAll(): Unit

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    @native()

15.  final def synchronized[T0](arg0: ⇒ T0): T0

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16.  def toString(): String

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17.  final def wait(): Unit

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18.  final def wait(arg0: Long, arg1: Int): Unit

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    @throws( ... )

19.  final def wait(arg0: Long): Unit

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20.  def withCachedDataset[T, U](ds: Dataset[T])(f: (Dataset[T]) ⇒ U): U
21.  def withCachedRDD[T, U](rdd: RDD[T])(f: (RDD[T]) ⇒ U): U
22.  def withCloseable[T <: Closeable, R](closeable: T)(func: (T) ⇒ R): R

    Scala version of Java's try-with-resources or Python's "with".

    Scala version of Java's try-with-resources or Python's "with".

    Execute a block with an object that implements java.io.Closeable. Makes sure the item is closed when the block is left, even if an exception occurs. Also makes sure any Exceptions during close are treated according to best practice.

    T

    type of the closeable resource

    R

    return type of resource

    closeable

    the closeable resource

    func

    function block to be executed with the resource

    returns

    the value of the block

23.  def withLock[T](lock: Lock)(f: ⇒ T): T