Ruby China
  • Ruby 中 双冒号"::" 的功能 at October 27, 2015 
    # coding: utf-8
class Mao
  PPP='aaaaa'
  def ppp
    puts "maohaofu"
  end

end
def maomao
  puts ::Mao.new::ppp
  puts ::Mao:: new::ppp # 和上一行一样效果
  puts ::Mao::PPP
end
maomao()

    这样会不会明白些

    输出

    maohaofu

maohaofu

aaaaa