Portal-Basic-Java-Web

基于JAVA的B+树数据结构，B+树是改进的平衡二叉树，查询效率更高。(JAVA-based B+-tree data structure, B+ tree is an improved balanced binary tree, the query more efficient.)

使用javamial获取邮箱的收件人全部信息，主要是收件人的信息。(Recipient s information use javamial get mailbox。)

简单计算器,能实行简单的加减乘除，开平方(Simple imitation of windows calculator )

北大青鸟的一个JAVA小小小项目 骑士飞行棋 提供新手们研究(Beida Jade Bird a little small projects JAVA flight chess knight to study the provision of new)

Java学习源代码检索系统免费版(learning Java source code free version Retrieval System)

说明：  tomcat压缩包，里面配置了，中文防乱码和负载均衡配置(Tomcat compression package, which is configured, Chinese anti-scrambling and load balancing configuration)

Code for a blinking neon-like logo using graphics in Java.

一个文本文件中存放着职工的工资记录。每个职工的记录包含姓名、工资、津贴三项。每条记录可以存放于一行（三项之间的间隔符可以自己决定），也可以将每条记录的三项依次分别存放在文本文件中的每一行。请设计一个程序，可以让用户选择打开这个文件查看其内容，并可以让用户选择把每个职工的工资增加10 之后又存回原来的文件。(Employee payroll records are stored in a text file. Each record contains the name of the workers, wages, allowances three. Each record can be kept in a row (the interval between the three operator can decide for yourself), can also be three each record in turn were stored in each line of the text file. Please design a program, you can let the user choose to open the file to view its contents, and allows the user to select a 10 increase in the wage of each worker after the original file is stored back.)

信息论中的信息 ppt课件 自信息量 信息增益 熵 内容不错 推荐(Since the amount of information entropy information gain)

Property Permission extends Basic Permission Source Code for Andriod.