Explain first() operation

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- September 20, 2018 at 2:12 pm #5081
  
  DataFlair Team
  Spectator
  
  Explain first() operation
- September 20, 2018 at 2:12 pm #5084
  DataFlair Team
  Spectator
  > It is an action.
  > It returns the first element of the RDD.
  
  Example :
```
val rdd1 = sc.textFile("/home/hdadmin/wc-data.txt")
rdd1.count
rdd1.first
```
  Output :
  Long: 20
  String : DataFlair is the leading technology training provider
  
  for more Actions on RDD refer: Transformation and Action
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