Ruby | Array length() function

Array#length() : length() is a Array class method which returns the number of elements in the array.

Syntax: Array.length()

Parameter: Array

Return: the number of elements in the array.

Example #1 :

# Ruby code for length() 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]

# length method example
puts "length() method form : #{a.length()}\n\n"

puts "length() method form : #{b.length()}\n\n"

puts "length() method form : #{c.length()}\n\n"

Output :

length() method form : 6

length() method form : 6

length() method form : 4

Example #2 :

# Ruby code for length() method

# declaring array
a = ["abc", "nil", "dog"]

# declaring array
c = ["cat", nil]

# declaring array
b = ["cow", nil, "dog"]


# length method example
puts "length() method form : #{a.length()}\n\n"

puts "length() method form : #{b.length()}\n\n"

puts "length() method form : #{c.length()}\n\n"

Output :

length() method form : 3

length() method form : 3

length() method form : 2