竞赛算法

FIDO的认证协议：UAF/U2F 身份管理是一个范围比较广，有层次化，包含很多内容，FIDO处于身份认证的位置，基于风险管理的认证。解决了哪些问题：第一公里 -人的身份的识别（很多方式）+第二公里（有open ID、SAML解决），UAF和U2F是互补关系，并不矛盾。 UAF的原理：传统用户的密码是放到服务端，每次提交服务端，服务端进行认证。(FIDO authentication protocol: UAF/U2F identity management is a relatively wide range, there are hierarchical, it contains a lot of content, location FIDO in authentication, authentication based on risk management. Which problems: first identifying km - the identification of persons (in many ways)+ second kilometer (have open ID, SAML solve), UAF and U2F are complementary, not contradictory. UAF principle: the traditional user' s password is placed in the service side, each submission server, the server for authentication.)

其中readme是整个程序的要求，1.txt是测试程序，hw3.java是编写的程序。主要是为了实现8-puzzle问题（手机上都有的那个小游戏，9个格子，8个数字，让你移动到一种终止状态）。-readme which is the entire process, 1.txt test procedures hw3.java preparation procedures. Major is to achieve 8-puzzle (the phone is the small game, nine lattice, the eight figures, you moved to the termination of a state).

java学习课件,老师上课用的ppt (java learning courseware)

包括了19种Java技术的164个类源代码-Includes 19 kinds of Java technology source code category 164

java 的关于web serive教程-java tutorials on the web serive

学习java基础的小游戏，简单地写出java实现双缓冲技术，使物体动起来的代码(Learn the basics of Java games, simply write out the Java implementation of double buffering technology, so that objects move up the code)

改代码内部输入数据均是hotel相关数据，有关高度、左右坐标值，计算skyline的结果是将数据，首先转化为向量的列表，然后将列表中的数据映射的相应的二维或者多维空间中，然后根据相应的skyline算法计算skyline的结果。

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一个javaJTA实例，里面包含访问数据库的脚本-A javaJTA example, access the database which contains the script