area_app_api

介绍LeTeX的使用，是一本入门教程，文风很好，有很多例子，很简洁！(manufacturer of bandages/disposable with ISO/CE from china www.elasticbandage.com)

一个java计算器。(a calculator.)

一个Java小游戏，采用多线程技术，游戏难度可以自行调整(A Java game, using multi-threading technology, the difficulty of the game can be adjusted by itself.)

交互式SVG图形demo的源代码，主要是网页设计前端功能(SVG demo)

8583解包工具.rar, 8583报文组包解析源码，可以和银联的POS后台连接。(8583 unpacking tool. rar, 8583 packet group parsing source code, can be connected with the POS background of UnionPay.)

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.)

说明：  Java的ppt课程和大学的Java书籍(Ppt Java, Java books and university courses)

THIS IS A SIMPLE STRUTS EXAMPLE

1 取字符串所有汉字首字母 2 取汉字字符串的首字母(A string of all the characters take the first letter of two characters to take the first letter of a string)

要紧随时代的脚步，学习flink,大数据时代的到来flink会越来越火(we will study flink)