Wednesday, March 28, 2018

Scala Tutorial 24 - map, flatMap, flatten and filter (Higher-order Methods)



In this video we will cover the basic syntax and capabilities of Higher-order Methods like map, flatMap, flatten and filter in Scala. In Scala map, flatMap, flatten and filter are most commonly used with  collections. map typically iterate over a collection and applies a function over each element of collection. A predicate is a function that returns a Boolean.



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