UploadDialog

java版本的万年历，可以显示当前时间，如当前年、当前月、当前日、当前小时、当前分钟等等(java java java java java java java java java java java java java java java java java java java java java )

五子棋网络对战基于tomcat websocket，java实现单机版和网络对战版五子棋程序，功能包括计时、悔棋、聊天、显示双方状态等等。首先第一个玩家先运行游戏，将自己的IP绑定，然后第二个玩家输入对方的IP连接。这样的话不管是哪一方都可以主动连接和被动连接。

初学java可能会遇到许多的问题，因此本作者准备了一百道适用于Java开发语言初学者的例题，希望能够给予帮助(There may be many problems in learning java at first, so the author has prepared a hundred examples for beginners of Java development language, hoping to help them.)

清华BBS源代码，希望大家喜欢(Tsinghua BBS source code, hope you like)

说明：  完整的程序源码，完整的系统架构，可供学习及参考，当然也可以作为毕业设计的模版，完全由JSP编写，同时页面由前后台控制。(Complete source code, complete system architecture, for learning and reference, of course, can also be used as a graduation design template, written entirely by JSP, while the page is controlled by the front and back.)

Java数据库系统项目开发实践源程序第8章.rar (Java database system project development source code of practice in Chapter 8. Rar)

ejemplos de herencias en java

说明：  将文档中所有三级以上的目录归为一行，形式如1.2.3(All three levels above the document directory classified as line, form, such as 1.2.3)

ipdatabase 二叉树快速搜索IP地址数据库 数据 数据源采用2015年广告协会制定的IP地址标准数据库，中国互联网广告行业统一采用的标准IP库。 原理 利用二叉树实现IP查询，首先将10进制IPV4地址转化为二进制构建二叉树，利用二叉树搜索进行搜索，查询时间复杂度log2n，比传统IP库n的查询速度高出一个量级。(Ipdatabase Binary Tree Fast Search IP Address Database data The data source is the standard IP address database formulated by the Advertising Association in 2015, and the standard IP database adopted by the Internet advertising industry in China. principle The binary tree is used to realize IP query. Firstly, the 10-bit IPV4 address is converted into binary to construct a binary tree, and the binary tree search is used to search. The query time complexity log2n is one order of magnitude higher than that of traditional IP library n.)

简单的IO适合初学者，来MLDN李兴华的初级教程(Simple IO for beginners)