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Ruby | Array class last() function

  • Last Updated : 07 Jan, 2020
Geek Week

last() is a Array class method which returns the last element of the array or the last ‘n’ elements from the array. The first form returns nil, If the array is empty .

Syntax: Array.last()

Parameter: Array
n – no. of elements

Return: last element of the array or the last ‘n’ elements from the array

Example #1 :






# Ruby code for last() method
  
# declaring array
a = [18, 22, 33, nil, 5, 6]
  
# declaring array
b = [1, 4, 1, 1, 88, 9]
  
# declaring array
c = [18, 22, nil, nil, 50, 6]
  
# last
puts "last : #{a.last(5)}\n\n"
  
# last
puts "last : #{b.last(4)}\n\n"
  
# last
puts "last : #{c.last()}\n\n"

Output :

last : [22, 33, nil, 5, 6]

last : [1, 1, 88, 9]

last : 6

Example #2:




# Ruby code for last() method
  
# declaring array
a = ["abc", "nil", "dog"]
  
# declaring array
b = ["cow", nil, "dog"]
  
# declaring array
c = ["cat", nil, nil]
  
# last
puts "last : #{a.last(5)}\n\n"
  
# last
puts "last : #{b.last(4)}\n\n"
  
# last
puts "last : #{c.last()}\n\n"

Output :

last : ["abc", "nil", "dog"]

last : ["cow", nil, "dog"]

last : 




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