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石油地震勘探数据处理模块（Java） 数据集合分选(Oil&Gas exploring - seismic data processing modules(java) data sorting part)

说明：  huawei2019年网络技术精英挑战赛复赛java题目(Huawei 2009 Network Technology Elite Challenge Seminar Java Topic)

BP neural network function fitting and pattern recognition, Can be widely used in data analysis and forecast data, Simulation of the effect is very good.

客户端的聊天内容通过json格式封装(包含聊天内容、发送人信息)之后，HTTP请求百度服务器，即请求把该消息发送到指定id的用户，请求成功之后，百度服务器就把我们的信息转发给指定的用户，对应用户再解析json格式的信息，就可以知道该消息来自何处，以及消息内容。(Chat client via json format package (includes chat, sender information), after, HTTP requests Baidu server, which sends the message to the requesting user specified id, after the request is successful, Baidu server took our information forwarded to the designated users, the corresponding user information and then parse json format, you can know that the message came from, and message content.)

JavaEE订餐项目的功能：用户登录、用户注册、添加订餐信息、查询订餐、结算、权限验证(For reservations, please JavaEE project functions: user login, user registration, add the reservation information, inquiries, reservation, settlement, permission to verify)

有很多的漏洞。有兴趣找茬的同志们可以下载来玩玩(There are many loopholes. Are interested in finding fault comrades can download to play)

java qq 实现点对点聊天功能 并提供服务器端聊天室元代码(java qq peer-to-peer chat and provide server-side code yuan Chat Room)

说明：  java API实现hbase的bulkload，包含有hbase的工具类(The Java API implements the bulk load of HBase, including the tool classes of HBase)

说明：  SpringMvc的进阶文档，适合有一定基础的同学学习(The document of SpringMvc,which is fit for these man who have understading for Springmvc)

Caculator is veri good which is helpful.eds