CFOPJAVA

说明：  因为某些国家的进口管制限制，Java发布的运行环境包中的加解密有一定的限制。比如默认不允许256位密钥的AES加解密，解决方法就是修改策略文件。(Because of the restrictions of import control in some countries, there are some restrictions on the encryption and decryption in the operating environment package released by Java. For example, AES encryption and decryption of 256 bit key is not allowed by default. The solution is to modify the policy file.)

该项目采用Struts框架，主要为各类通信系统运营商或信息系统用户提供业务管理的完整解决方案。整个任务管理系统分为系统管理员、主管和员工三种角色，其中系统管理员具有添加人员、删除人员和分配人员的职责，主管具有制定任务、查看任务、调整任务、跟踪任务和查看人员等职责，员工具有制定计划、反馈计划、删除计划和查询计划的职责。通过以上三个角色实现对任务的管理。(The project uses the Struts framework, mainly to provide a complete solution for all types of business management communications system operator or user information systems. Overall task management system is divided into system administrators, supervisors, and employees in three roles, responsibilities which the system administrator has to add staff, delete personnel and distribution personnel in charge with the development tasks, view task, adjusting tasks, tracking tasks and view personnel duties, employees have a plan, feedback programs, plans and responsibilities delete query plans. Management of tasks to achieve the above three roles.)

java 连接阿里云的mqtt服务(客户端源码)

用eclipse写的简单的android音频播放器，功能单一，适合初学者。(With eclipse android do a simple audio player, feature simple, suitable for beginners.)

说明：  基于Ecplise开发的安卓Fragment页面，在真机上成功运行，可下载参考(The Android Fragment page based on Ecplise runs successfully on the real machine and can be downloaded for reference.)

基础练习，这是Java入门课程的基础练习。包括了许多的知识点(Basic exercises, which are the basic exercises of the Java introductory course. It includes many knowledge points.)

java面试题目全集，帮助面试的初哥进行准备！(java interview questions The Complete Works, to help novices interview preparation!)

Merkle-Hellman knapsack cryptosystem

spring demo as spring boot

说明：  用于生成gexf格式的数据文件，为后续的可视化开发服务(Used to generate data files in gexf format, serving for subsequent visualization development)