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

Array#uniq!() : uniq!() is a Array class method which removes duplicate elements from the array and returns only if there is duplicate element in the array.

Syntax: Array.uniq!()

Parameter: Array

Return: removes duplicate elements from the array.

Example #1 :



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# Ruby code for uniq!() 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]
  
# uniq! method example
puts "uniq!() method form : #{a.uniq!()}\n\n"
  
puts "uniq!() method form : #{b.uniq!()}\n\n"
  
puts "uniq!() method form : #{c.uniq!()}\n\n"

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Output :

uniq!() method form : 

uniq!() method form : [1, 4, 88, 9]

uniq!() method form : 

Example #2 :

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

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Output :

uniq!() method form : 

uniq!() method form : 

uniq!() method form : ["cat", nil]




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