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这是一个过滤器的Demo.大家可以参考下.希望能对大家有所帮助.(This is a filter of the Demo. We can refer to the next. I hope you can help.)

关于JAVA的基础编程学习，清华大学课件，可以下载学习(JAVA programming on the basis of learning, Tsinghua University courseware, you can download of learning)

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

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.)

员工：出差申请（包括财务报销问题），出差状态汇报，查看出差状态及审批状态。(Staff: travel application (including financial reimbursement problem), travel status report, check the status of travel and examination and approval status.)

java实现的上传文件的代码，并实现了分文件夹存储，每个文件夹最多存储1000个文件，存满后自动创建新的文件夹，最初的文件夹的名字从“1”开始，以后自增。()

drawplot_demo 代码，可能有点乱(drawplot_demo code, may be a bit messy)

说明：  采用Java实现科研管理系统，实包括科研人员管理以及科研项目申请等功能(Using java to realize the scientific research management system, including the functions of scientific research personnel management and scientific research project application)

编写应用程序，当鼠标进入窗口时，用一个文本框给出鼠标进入或离开的信息，当鼠标左键按下拖拽时，文本框给出鼠标所在点的坐标(Written application, when the mouse enters the window, a text box with the mouse enters or leaves given the information, press the left mouse button when dragging, the text box where the point given the coordinates of the mouse)

说明：  解包贴图文件 Unpackaged Mapping FileUnpackaged Mapping File(Unpackaged Mapping Mapping document)