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Ruby | Array sample() function
  • Last Updated : 06 Dec, 2019

Array#sample() : sample() is a Array class method which returns a random element or n random elements from the array.

Syntax: Array.sample()

Parameter: Array

Return: a random element or n random elements from the array.

Example #1 :






# Ruby code for sample() method
  
# declaring array
a = [18, 22, 33, nil, 5, 6]
  
# declaring array
b = [1, 4, 1, 1, 88, 9]
  
# declaring array
c = [18, 22, 50, 6]
  
# sample method example
puts "sample() method form : #{a.sample(2)}\n\n"
  
puts "sample() method form : #{b.sample(1)}\n\n"
  
puts "sample() method form : #{c.sample(3)}\n\n"

Output :

sample() method form : [6, nil]

sample() method form : [4]

sample() method form : [18, 22, 6]

Example #2 :




# Ruby code for sample() method
  
# declaring array
a = ["abc", "nil", "dog"]
  
# declaring array
c = ["cat", nil]
  
# declaring array
b = ["cow", nil, "dog"]
  
# sample method example
puts "sample() method form : #{a.sample(2)}\n\n"
  
puts "sample() method form : #{b.sample(1)}\n\n"
  
puts "sample() method form : #{c.sample(3)}\n\n"

Output :

sample() method form : ["dog", "abc"]

sample() method form : ["dog"]

sample() method form : ["cat", nil]

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