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非常实用的一个ext教程，可以让你快速的掌握ext技术并进行开发。(A very useful ext tutorial, allowing you to quickly grasp the the ext technology and development.)

spring2.0 hibernate3.3 struts2.1 框架搭建(spring2.0 hibernate3.3 struts2.1)

利用java实现的服务端小程序，带有界面，java课程作业，希望可以对初学java的学者有所帮助。(Java implementation of the server side applet, with interface, java course assignments, hoping to help beginners java scholars.)

Helper class for creating a {@link SipProfile}.

说明：  是一个基于java开发的拍卖系统 非常适合初学者看(Is a java-based development of auction system is ideal for beginners to see)

说明：  基于springboot2+ shiro+jwt的真正rest api资源无状态认证权限管理框架,开发人员无需关注权限问题,后端开发完api,前端页面配置即可(Based on the real rest API resource stateless authentication permission management framework of spring boot 2 + Shiro + jwt, developers do not need to pay attention to permission issues. after the API is developed, the front-end page configuration can be completed.)

1.1 作业描述 设计一个生成和显示时间的分布式应用程序，实现以下功能： 1、 一个服务器生成时间，并在多个不同节点的客户端上显示。 2、 客户端有多种时间显示方式，如模拟时钟、数字时钟。 1.2 作业要求 下面是设计时需要满足的四个要求： 1、 打破客户端和服务器开发过程中的紧耦合。 2、 打破客户端和服务器运行时的紧耦合，即不需要固定的机器，不限制客户端的数目等。 3、 允许客户端显示不同的事件。 4、 使用RPC机制或RMI机制。 (1.1 Design a job description to generate and display time distributed applications, the following functions: 1, a time server generates and displays on the client several different nodes. 2, the client has a variety of time display, such as an analog clock, a digital clock. 1.2 Operating Requirements The following is required to meet four design requirements: 1, breaking client and server development process tightly coupled. 2, breaking the tight coupling client and server runtime that does not require a fixed machine, does not limit the number of clients and so on. 3, allows clients to display different events. 4, using the RPC mechanism or RMI mechanism.)

说明：  谷粒学院后台接口，谷粒学院是一个B2C模式的职业技能在线教育系统，分为前台用户系统和后台运营平台(Cereal college background interface, cereal college is a B2C mode of vocational skills online education system, divided into the foreground user system and background operation platform)

一个简单的学生信息记录表，用到了子类和父类的构造与派生(A simple student information records, use the subclass structure and derivation)

说明：  采集运动过程中三轴加速度，数据可用于简单的人体行为识别(APP can collect three-axis acceleration in motion process, and the data can be used for simple human behavior recognition.)