Ruby | Array reverse!() function
Last Updated :
06 Dec, 2019
Array#reverse!() : reverse!() is a Array class method which returns reverses self in place
Syntax: Array.reverse!()
Parameter: Array
Return: Reverses self in place
Example #1 :
a = [ 18 , 22 , 33 , nil , 5 , 6 ]
b = [ 1 , 4 , 1 , 1 , 88 , 9 ]
c = [ 18 , 22 , 50 , 6 ]
puts "reverse!() method form : #{a.reverse!()}\n\n"
puts "reverse!() method form : #{b.reverse!()}\n\n"
puts "reverse!() method form : #{c.reverse!()}\n\n"
|
Output :
reverse!() method form : [6, 5, nil, 33, 22, 18]
reverse!() method form : [9, 88, 1, 1, 4, 1]
reverse!() method form : [6, 50, 22, 18]
Example #2 :
a = [ "abc" , "nil" , "dog" ]
c = [ "cat" , nil ]
b = [ "cow" , nil , "dog" ]
puts "reverse!() method form : #{a.reverse!()}\n\n"
puts "reverse!() method form : #{b.reverse!()}\n\n"
puts "reverse!() method form : #{c.reverse!()}\n\n"
|
Output :
reverse!() method form : ["dog", "nil", "abc"]
reverse!() method form : ["dog", nil, "cow"]
reverse!() method form : [nil, "cat"]
Like Article
Suggest improvement
Share your thoughts in the comments
Please Login to comment...