package java
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Type Members
-  class JavaDoubleRDD extends AbstractJavaRDDLike[Double, JavaDoubleRDD]
 -  trait JavaFutureAction[T] extends Future[T]
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        class
      
      
        JavaHadoopRDD[K, V] extends JavaPairRDD[K, V]
      
      
      
- Annotations
 - @DeveloperApi()
 
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        class
      
      
        JavaNewHadoopRDD[K, V] extends JavaPairRDD[K, V]
      
      
      
- Annotations
 - @DeveloperApi()
 
 -  class JavaPairRDD[K, V] extends AbstractJavaRDDLike[(K, V), JavaPairRDD[K, V]]
 -  class JavaRDD[T] extends AbstractJavaRDDLike[T, JavaRDD[T]]
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        trait
      
      
        JavaRDDLike[T, This <: JavaRDDLike[T, This]] extends Serializable
      
      
      
Defines operations common to several Java RDD implementations.
Defines operations common to several Java RDD implementations.
- Note
 This trait is not intended to be implemented by user code.
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        class
      
      
        JavaSparkContext extends Closeable
      
      
      
A Java-friendly version of org.apache.spark.SparkContext that returns org.apache.spark.api.java.JavaRDDs and works with Java collections instead of Scala ones.
A Java-friendly version of org.apache.spark.SparkContext that returns org.apache.spark.api.java.JavaRDDs and works with Java collections instead of Scala ones.
- Note
 Only one
SparkContextshould be active per JVM. You muststop()the activeSparkContextbefore creating a new one.
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        class
      
      
        JavaSparkStatusTracker extends AnyRef
      
      
      
Low-level status reporting APIs for monitoring job and stage progress.
Low-level status reporting APIs for monitoring job and stage progress.
These APIs intentionally provide very weak consistency semantics; consumers of these APIs should be prepared to handle empty / missing information. For example, a job's stage ids may be known but the status API may not have any information about the details of those stages, so
getStageInfocould potentially returnnullfor a valid stage id.To limit memory usage, these APIs only provide information on recent jobs / stages. These APIs will provide information for the last
spark.ui.retainedStagesstages andspark.ui.retainedJobsjobs.- Note
 This class's constructor should be considered private and may be subject to change.
 -  final class Optional[T] extends Serializable
 -  class StorageLevels extends AnyRef
 
Value Members
-  object JavaDoubleRDD extends Serializable
 -  object JavaPairRDD extends Serializable
 -  object JavaRDD extends Serializable
 -  object JavaSparkContext