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