class Clovek # static field @@people_count = 0 # static method def self.howmany() @@people_count end # a constructor def initialize(name, age) @name = name @age = age @@people_count += 1 end # getter def name @name end def age @age end # a method def whoami() puts "Hello, my name is #{@name}, I am #{@age} years old." end end dan = Clovek.new("Daniel", 31) dan.whoami() simon = Clovek.new("Simon", "?") simon.whoami() puts "Number of people: #{Clovek.howmany()}"