Ruby | Array sample() function Last Updated : 06 Dec, 2019 Summarize Comments Improve Suggest changes Share Like Article Like Report Array#sample() : sample() is a Array class method which returns a random element or n random elements from the array. Syntax: Array.sample() Parameter: Array Return: a random element or n random elements from the array. Example #1 : Ruby # Ruby code for sample() 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] # sample method example puts "sample() method form : #{a.sample(2)}\n\n" puts "sample() method form : #{b.sample(1)}\n\n" puts "sample() method form : #{c.sample(3)}\n\n" Output : sample() method form : [6, nil] sample() method form : [4] sample() method form : [18, 22, 6] Example #2 : Ruby # Ruby code for sample() method # declaring array a = ["abc", "nil", "dog"] # declaring array c = ["cat", nil] # declaring array b = ["cow", nil, "dog"] # sample method example puts "sample() method form : #{a.sample(2)}\n\n" puts "sample() method form : #{b.sample(1)}\n\n" puts "sample() method form : #{c.sample(3)}\n\n" Output : sample() method form : ["dog", "abc"] sample() method form : ["dog"] sample() method form : ["cat", nil] Comment More infoAdvertise with us Next Article Ruby | Array select!() function M mayank5326 Follow Improve Article Tags : Ruby Ruby-Methods Ruby Array-class Similar Reads Ruby | Array slice() function Array#slice() : slice() is a Array class method which returns a subarray specified by range of indices. Syntax: Array.slice() Parameter: Array Return: a subarray specified by range of indices. Example #1 : Ruby # Ruby code for slice() method # declaring array a = [18, 22, 33, nil, 5, 6] # declaring 1 min read Ruby | Array slice!() function Array#slice!() : slice!() is a Array class method which seletes the element(s) given by an index or by a range. Syntax: Array.slice!() Parameter: Array Return: Deletes the elements given by an index or by a range. Example #1 : Ruby # Ruby code for slice!() method # declaring array a = [18, 22, 33, n 2 min read Ruby | Array take() function Array#take() : take() is a Array class method which returns the number of elements in the array. Syntax: Array.take() Parameter: Array Return: the number of elements in the array. Example #1 : Ruby # Ruby code for take() method # declaring array a = [18, 22, 33, nil, 5, 6] # declaring array b = [1, 1 min read Ruby | Array select() function Array#select() : select() is a Array class method which returns a new array containing all elements of array for which the given block returns a true value. Syntax: Array.select() Parameter: Array Return: A new array containing all elements of array for which the given block returns a true value. Ex 2 min read Ruby | Array select!() function Array#select!() : select!() is a Array class method which returns the given block passing in successive elements from self, deleting elements for which the block returns a false value. Syntax: Array.select!() Parameter: Array Return: the given block passing in successive elements from self, deleting 2 min read Ruby | Array shuffle() function Array#shuffle() : shuffle() is a Array class method which returns a new array with elements of self shuffle. Syntax: Array.shuffle() Parameter: Array Return: a new array with elements of self shuffle Example #1 : Ruby # Ruby code for shuffle() method # declaring array a = [18, 22, 33, nil, 5, 6] # d 2 min read Like