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说明：  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.)

给学JAVA的一些提示和警告，帮助学习和使用java，新手必读( )

说明：  自己写的非常简单易学的登录界面(himself wrote very simple, easy to learn interface login!)

说明：  等值线的工具类，其中包括温度、湿度、风速风向等(Tools for contours, including temperature, humidity, wind speed and direction, etc.)

A simple guide to Converting floating point to 32-bit fixed point in Java

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.)

说明：  java 连接 sap 要用到的 librfc32.dll文件.将librfc32.dll的文件复制到目录 {windows-dir}\system32下面。如果该文件已经存在，则覆盖它。这个文件就是SAP的RFC协议实现，(sap to use java to connect to the librfc32.dll document. librfc32.dll documents will be copied to the directory (windows-dir) system32 below. If the file already exists, then cover it. This document is SAP)

Extech PLM中创建物料的开发页面，改变了传统的PLM物料创建页面，可以定制化(Extech PLM to create materials development page to change the traditional PLM materials create a page, can be customized)

OldThreadTest extends junit.framework.TestCase Source Code for Andriod.

说明：  本例使用JAVA语言实现了图片的模糊与锐化，详细的注释请看源代码的注释。谢谢支持！(cases the use of the Java language and blurred images sharper and detailed annotations Look at the source code of the Notes. Thank you support!)