module FourMulti

Constants

VERSION

Public Class Methods

joon() click to toggle source 
# File lib/four_multi.rb, line 7
def self.joon
    puts "hi my name is lee sung jun"
end
mul(a, b, c, d) click to toggle source 
# File lib/four_multi.rb, line 4
def self.mul(a, b, c, d)
  a * b * c * d
end