Ruby | Array reject() function Last Updated : 06 Dec, 2019 Summarize Comments Improve Suggest changes Share Like Article Like Report Array#reject() : reject() is a Array class method which returns new array containing the items in the array for which the given block is not true Syntax: Array.reject() Parameter: Array Return: new array containing the items in self for which the given block is not true Example #1 : Ruby # Ruby code for reject() method # declaring array a = [18, 22, 33, 3, 5, 6] # declaring array b = [1, 4, 1, 1, 88, 9] # declaring array c = [18, 22, 3, 3, 50, 6] # reject puts "reject method : #{a.reject {|num| num > 10 }}\n\n" # reject puts "reject method : #{b.reject {|x| x.odd? }}\n\n" Output : reject method : [3, 5, 6] reject method : [4, 88] Example #2 : Ruby # Ruby code for reject() method # declaring array a = [18, 22, 33, 3, 5, 6] # declaring array b = [1, 4, 1, 1, 88, 9] # declaring array c = [18, 22, 3, 3, 53, 6] # reject puts "reject method : #{c.reject {|num| num > 10 }}\n\n" # reject puts "reject method : #{c.reject {|num| num.even? }}\n\n" Output : reject method : [3, 3, 6] reject method : [3, 3, 53] Comment More infoAdvertise with us Next Article Ruby | Array reject() function M mayank5326 Follow Improve Article Tags : Ruby Ruby-Methods Ruby Array-class Similar Reads Ruby | Array reject!() function Array#reject!() : reject!() is a Array class method which returns a new array containing the values which are not returned by the block. Syntax: Array.reject!() Parameter: Array Return: a new array containing the values not returned by the block. Example #1 : Ruby # Ruby code for reject!() method # 1 min read Ruby | Array replace() function Array#replace() : replace() is a Array class method which returns an array of all combinations of elements from all arrays. Syntax: Array.replace() Parameter: Array Return: an array of all combinations of elements from all arrays. Example #1 : Ruby # Ruby code for replace() method # declaring array 2 min read Ruby | Array reverse!() function 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 # Ruby code for reverse!() method # declaring array a = [18, 22, 33, nil, 5, 6] # declaring array b = [1, 4, 1, 1, 88, 1 min read Ruby | Array reverse() function Array#reverse() : reverse() is a Array class method which returns a new array containing self's elements in reverse order. Syntax: Array.reverse() Parameter: Array Return: a new array containing self's elements in reverse order. Example #1 : Ruby # Ruby code for reverse() method # declaring array a 2 min read Ruby | Array one?() function Array#one?() : one?() is a Array class method which checks whether the array is having only one array element. Syntax: Array.one?() Parameter: Array Return: true - if array has only one element otherwise return false. Example #1 :Â Ruby # Ruby code for one?() method # declaring array a = [18, 22, 33 1 min read Like