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Java call dahua SDK connection camera simple Demo

google地图，以及所有网上地图的api接口程序集合。(google maps)

Java提供的API类BigDecimal，用来对超过16位有效位的数进行精确的运算。双精度浮点型变量double可以处理16位有效数。在实际应用中，需要对更大或者更小的数进行运算和处理。(BigDecimal Java API classes provided for more than 16 significant bits of the number of precise calculations. Double-precision floating-point variables can handle double the number of 16-bit effective. In practice, the need for a larger or smaller number of computing and processing.)

一个日历记事本的代码编程， 方便查看日志信息(A calendar notepad code programming for easy viewing log information)

本文将用一系列易懂的语言和例子解释Java的网络Socket支持。(This article will use a series of easy-to-understand language and examples to explain the network Socket support Java.)

北大青鸟 Java学士后第一单元项目 超市管理系统(Java unit 1)

说明：  可以本地喊单，一个跟单的软件，直接放在MT4数据文件的expert里面，就可以用了，指示文档在压缩包里呢(Can local shout order, a single software, directly put in the MT4 data file expert, you can use it)

rsa加密算法的JAVA实现，程序没问题，可以可以参考参考(JAVA realization of the RSA encryption algorithm, the program no problem, you can refer to the reference)

A Netbeans project for Online Airline reservation system( in Java)

Application using Entreprise java bean (EJB)