Title: Break A Sequence Into Groups
Slug: break_a_sequence_into_groups
Summary: Break A Sequence Into Groups Using Scala.
Date: 2017-01-03 12:00
Category: Scala
Tags: Basics
Authors: Chris Albon

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Create An Array Sequence



In [15]:

    
// Create an array that contains arrays with first and last names
val ages = List(42,25,28,38,58,63,23,458,2569,584,25,25,878)

Group Array By Anonymous Function



In [16]:

    
// If an element is even, return True, if not, return False
val isEven = ages.groupBy(_ % 2 == 0)

View Groups



In [17]:

    
// View group that is evens
evensOdds(true)









    Out[17]:





List(42, 28, 38, 58, 458, 584, 878)



In [18]:

    
// View group that is odds
evensOdds(false)









    Out[18]:





List(25, 63, 23, 2569, 25, 25)