简易的P2P通信

jrobin,使用纯java实现的RRD数据库,使用RRD数据库来统计数据.-jrobin, using pure java realize the RRD database, use the RRD database to statistical data.

ForwardingMultiset<E> extends ForwardingCollection Source Code for Andriod.

微信支付、开放平台、公众号、企业号、小程序开发的Java SDK(Java SDK, WeChat payment, open platform, public number, enterprise number, and small program development)

1、标准的页面标题，帮助用户和搜索引擎更加容易的获取页面内容； 2、添加一些常用的HTML HEAD标签； 3、UTF-8编码支持； 4、更改Hear.asp导入文件结构，方便页面控制； 5、更时尚化的日历，可以明确标示某天的发表数量，醒目标注有新文章发表的日期；(1, the standard title page, and search engines to help users more easily access the page content 2, add some common HTML HEAD tag 3, UTF-8 encoding support 4. Change Hear.asp import file structure, easy to control page 5, more fashion calendar, you can explicitly indicate the number of publications of the day, eye-catching labels with the date of publication of new articles )

3.设计一个能够描述点（point）、线(line)、圆（circle）、矩形（rectangle）和三角形（triangle）等几何形状的类体系，能够计算不同形状的周长和面积（如果能够定义的话）。程序文件命名为Exe3_3.java。(3. Design a point can be described (point), line (line), circle (circle), class hierarchy rectangle (rectangle) and the triangle (triangle) and other geometric shapes, different shapes can calculate perimeter and area (if you can define if). Program file named Exe3_3.java.)

用Java开发一个应用程序，效果是每执行一次，就可得到一个六位随机数（整数），可以应用于彩票、抽奖等实际活动。

java编写的简单小游戏，供大家学习用，里面包括论文报告，和设计文档-java编写的简单小游戏，供大家学习用

说明：  学习android游戏开发的一本用书，简单实用适合初学者(learning bookLearning android game development a book, simple for beginners)

本系统主要为企业内部通信而设计，它操作简单方便，界面简洁美观；更方便地访问企业公共资源；及时显示企业公共信息，在通信窗口显示对方的IP信息；局域网内用户自动搜索；系统运行稳定、安全可靠。(This system is mainly designed for internal communications, it is simple and convenient operation, simple and beautiful interface easier access to corporate public resources timely public information display companies in the communications window to display each other s IP information LAN users automatically search system operation stable, safe and reliable.)

Application for inventory developed with java