Ruby | Array class hash() function Last Updated : 08 Jan, 2020 Comments Improve Suggest changes Like Article Like Report hash() is an Array class method which returns the hash code of the array elements Syntax: Array.hash() Parameter: Array Return: hash code of the array elements Example #1 : Ruby # Ruby code for hash() method # declaring array a = [18, 22, 33, nil, 5, 6] # declaring array b = [1, 4, 1, 1, 88, 9] # declaring array c = [18, 22, nil, nil, 50, 6] # hash puts "hash : #{a.hash()}\n\n" # hash puts "hash : #{b.hash()}\n\n" # hash puts "hash : #{c.hash()}\n\n" Output : hash : -3805173463885397242 hash : -3482831379078826561 hash : 3717028813045766545 Example #2 : Ruby # Ruby code for hash() method # declaring array a = ["abc", "nil", "dog"] # declaring array b = ["cow", nil, "dog"] # declaring array c = ["cat", nil, nil] # hash puts "hash : #{a.hash()}\n\n" # hash puts "hash : #{b.hash()}\n\n" # hash puts "hash : #{c.hash()}\n\n" Output : hash : 4497783236510199145 hash : -3150640773314608759 hash : -2168259577729813344 Comment More infoAdvertise with us Next Article Ruby | Array class to_s() function M mayank5326 Follow Improve Article Tags : Ruby Ruby-Methods Ruby Array-class Similar Reads Ruby | Array assoc() function The assoc() function in Ruby is used to search through an array of arrays whose first element is compared with the index of the function and return the contained array if match found otherwise return either nil or vacant. Syntax: Array.assoc(Object) Here Array is the array of arrays. Parameters: Obj 2 min read Ruby | Array assoc() function The assoc() function in Ruby is used to search through an array of arrays whose first element is compared with the index of the function and return the contained array if match found otherwise return either nil or vacant. Syntax: Array.assoc(Object) Here Array is the array of arrays. Parameters: Obj 2 min read Ruby | Array assoc() function The assoc() function in Ruby is used to search through an array of arrays whose first element is compared with the index of the function and return the contained array if match found otherwise return either nil or vacant. Syntax: Array.assoc(Object) Here Array is the array of arrays. Parameters: Obj 2 min read Ruby | Array class to_s() function to_s() is an Array class method which returns the string representation of the array elements. Syntax: Array.to_s() Parameter: Array Return: string representation of the array elements. Example #1: Ruby # Ruby code for to_s() method # declaring array a = [18, 22, 33, nil, 5, 6] # declaring array b = 1 min read Ruby | Hash assoc() function assoc() is an Hash class method which searches an element through the Hash. Syntax: Hash.assoc() Parameter: Hashs for finding elements. Return: searches an element through the Hash Example #1: Ruby # Ruby code for assoc() method # declaring Hash value a = { "a" => 100, "b" = 1 min read Ruby | Hash clear() function clear() is an Hash class method which removes all the Hash elements from it. Syntax: Hash.clear() Parameter: Hashs to clear off Return: Hash with all elements cleared Example #1: Ruby # Ruby code for clear() method # declaring Hash value a = {a:100, b:200} # declaring Hash value b = {a:100, c:300, b 1 min read Like