jfreechart_src

通过GPS获取当前位置坐标的简单DEMO(Get GPS coordinates simple DEMO)

说明：  libdmtx库的使用及对data matrix码检测识别(Use of libdmtx library and detection and identification of data matrix code)

说明：  一个JSP标签插件实例Noka tag源码，一组专一为JSP而开发的软件标签系统，支持多种数据库的集数据处理与显示的标签包(A JSP tag plug-in instance Noka tag source code, a set of software tag systems developed specifically for JSP, supporting a variety of database set data processing and display tag package)

对科大讯飞语音合成服务Java接口的二次封装，可由程序的线程锁来控制几个线程同时f访问TTS。(For speech synthesis iFLYTEK service Java interface of the second package, the program can be thread-locking to control access to several threads simultaneously f TTS.)

This InstructionVisitor marks all classes that are used in an instanceof test by any of the instructions that it visits.

Thinking in Java是java学习的最经典资料，该共享为第四版(Thinking in Java is the most classic java learning data, the share for the fourth edition)

netty简单运用，客户端服务端相互通信测试demo(Netty simple application, client server side communication)

说明：  hdw-dubbo微服务化开发平台，具有统一授权、认证后台管理系统，其中包含具备用户管理、资源权限管理等多个模块，支持多业务系统并行开发，可以作为后端服务的开发脚手架。代码简洁，架构清晰，适合学习和直接项目中使用。 核心技术采用SpringBoot、Du(Hdw Dubbo microservice development platform has a unified authorization and authentication background management system, which includes user management, resource rights management and other modules. It supports the parallel development of multiple business systems and can be used as the development scaffolding of back-end services. The code is concise and the architecture is clear, which is suitable for learning and direct project. The core technology is spring boot and Du)

java电子书管理系统，对电子书的增删改查，初学者适应(Java student information management system, mainly include: add and delete student information, for information management. Suitable for beginners.)

本程序实现了简单的基于Java程序的perti网运行过程仿真。(Operation simulation of Petri Network)