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Ruby | Array rotate() function

Last Updated : 06 Dec, 2019
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Array#rotate() : rotate() is a Array class method which returns a new array by rotating self so that the element at count is the first element of the new array.
Syntax: Array.rotate() Parameter: Array Return: a new array by rotating self so that the element at count is the first element of the new array.
Example #1 : Ruby 
# Ruby code for rotate() 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]

# rotate method example
puts "rotate() method form : #{a.rotate(2)}\n\n"

puts "rotate() method form : #{b.rotate(1)}\n\n"

puts "rotate() method form : #{c.rotate(-1)}\n\n"
Output : rotate() method form : [33, nil, 5, 6, 18, 22] rotate() method form : [4, 1, 1, 88, 9, 1] rotate() method form : [6, 18, 22, 50] Example #2 : Ruby 
# Ruby code for rotate() method

# declaring array
a = ["abc", "nil", "dog"]

# declaring array
c = ["cat", nil]

# declaring array
b = ["cow", nil, "dog"]


# rotate method example
puts "rotate() method form : #{a.rotate(2)}\n\n"

puts "rotate() method form : #{b.rotate(1)}\n\n"

puts "rotate() method form : #{c.rotate(-1)}\n\n"
Output : 
rotate() method form : ["dog", "abc", "nil"]

rotate() method form : [nil, "dog", "cow"]

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

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