简单教程
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代码编辑器：
# !/usr/bin/ruby -w # -*- encoding:utf-8 -*- # filename: main.rb # author: 简单教程(www.twle.cn) # Copyright © 2015-2065 www.twle.cn. All rights reserved. #!/usr/bin/ruby class Company @@no_of_company = 0 def initialize(id, name, addr) @comp_id = id @comp_name = name @comp_addr = addr @@no_of_company += 1 end def display_details() puts "Company id #@comp_id" puts "Company name #@comp_name" puts "Company address #@comp_addr" end def total_no_of_company() puts "Total number of company: #@@no_of_company" end end comp1=Company.new(1, "简单教程", "北京市东城区") comp2=Company.new(2, "百度", "北京市海淀区") comp1.display_details() comp1.total_no_of_company() comp2.display_details() comp2.total_no_of_company()
运行结果：