avl tree and bplus tree

本人也是一名JAVA的初学者,才学了一个月,因为有朋友需要做毕业设计,于是我花了十天时间写了这个超市进销存的软件,由于网上这类软件用JAVA写的几乎没有,有源代码的更是少的可怜,于是我就想把自己写的代码发上来和大家学习交流一下.-I am also a JAVA beginner, talent and learning for a month, because of the need to have a friend graduating from design to do, so I spent 10 days time to write the supermarket Invoicing software, such as a result of online software written in JAVA with virtually no , active code is少的可怜, so I want to write their own code onto fat and learn about everyone.

绘制一图形时钟，并在下面显示电子时间，可以通过电子时间栏修改时间，默认时间与系统时间一样。-graphics rendering a clock, and below, electronic time, the electronic time modified column, the default time to time with the same system.

数据结构中的迷宫算法，演示程序用java实现-data structure of the maze algorithm, demo program using java to achieve

对jsp页面中有多个查询条件时，对空值的条件忽略，动态的生成sql或hql语句.使用方法在给的rar中有个例子。-Jsp page on a number of query conditions, the conditions of the null value ignored or dynamic sql generation hql statement. To use the rar to have an example.

带定时器的JAVA关机程序,时间可以随便输入-JAVA timers with shutdown procedures, timing can be input

WebLogic Server J2EE 体系结构简介 .rar-WebLogic Server J2EE architecture briefing. Rar

javaweb开发资料，非常全面，很不错的。-ajax Quick Start Guide for beginners, very good.

这些是关于重复运用Classes的源码，包括类的使用，包括继承等功能-these are repeated use Classes on the source, including the type of use, including inheritance, and other functions.

Java的编程指导，适应初学者和有一定基础的编程爱好者，有助于对Java的学习。-Java programming guide, to adapt to a certain basis for beginners and enthusiasts programming, contribute to learning Java.

SVN的使用方法，在教学过程中录制的简单视频，使用19寸宽屏录制，请调整至1366*768分辨率观看-SVN to use, in the teaching process to record a simple video, use the 19-inch wide-screen recording, please adjusted to 1366* 768 resolution watch