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用JAVA实现简单的定积分，里面有详细说明(use JAVA to realize dingjifen with detailed instruction)

说明：  JDWP 是 Java Debug Wire Protocol 的缩写，它定义了调试器（debugger）和被调试的 Java 虚拟机（target vm）之间的通信协议。 JDWP 协议介绍 这里首先要说明一下 debugger 和 target vm。Target vm 中运行着我们希望要调试的程序，它与一般运行的 Java 虚拟机没有什么区别，只是在启动时加载了 Agent JDWP 从而具备了调试功能。而 debugger 就是我们熟知的调试器，它向运行中的 target vm 发送命令来获取 target vm 运行时的状态和控制 Java 程序的执行。Debugger 和 target vm 分别在各自的进程中运行，他们之间的通信协议就是 JDWP。(JDWP is Java Debug Wire Protocol)

这是一个用JAVA编写实现,基于SQL SERVER后台数据库的超级市场的管理系统.可以实现超市管理的基本操作(This is a realization with the preparation of Java, Based on the SQL Server database background supermarket management systems. Supermarket management can achieve the basic operation)

一个自己写的Hadoop MapReduce实例源码，网上看到不少网友在学习MapReduce编程，但是除了wordcount范例外实例比较少，故上传自己的一个。包含完整实例源码，编译配置文件，测试数据，可执行jar文件，执行脚本及操作步骤。学习完此例子后，你能掌握MapReduce基础编程，及如何编译Java文件，打包jar文件，编写shell执行脚本等。后续学习还可以参看本人的CSDN博客，如有问题也可以在线为你解答，不过本人也学习Hadoop不足一年，现学现卖而已，也可能力不能及，有些难的也很有可能不懂。希望能够帮助到学习MapReduce的朋友(A written Hadoop MapReduce example source code line to see a lot of friends in the learning MapReduce programming, but in addition to the wordcount example instance is relatively small, so upload your own. Contains the full example source code, the compiler configuration files, test data, executable jar file, execute the script and steps. Learn this example, you can grasp the the MapReduce basis of programming, and how to compile Java files, packaged jar file, write shell execute the script. Follow-up study can also see my CSDN blog if the problem is also available online for you to answer, but I also learned that for Hadoop less than a year, buying and learning it can also power can not and some difficulty also likely to understand . Want to be able to help to learn MapReduce friend)

java中的缓冲流，详细介绍了 一些用法(java buffer flow, detailing a number of usage)

说明：  设计两个接口，每个接口包含两个方法。构造一个新接口，继承上述两个接口， 并增加一个新的方法。构造一个类 Test 实现这个新的接口，并继承另一个类。创建类 Test 的实例对象，并调用类 Test 中全部的成员方法。(Design two interfaces, each containing two methods. Construct a new interface, inherit the above two interfaces, And add a new method. Construct a class test to implement the new interface and inherit another class. Create class Test, and call all member methods in the class test.)

基于udp协议的局域网内聊天的设计与开发源代码(The UDP protocol LAN chat is designed and developed based on the source code)

一个java应用程序，实现公交换乘的信息查询功能，是个很好的学习案例，从中可以学习javaGUI编程，并且可以进一步巩固java学习(A java application, to achieve bus transfer information inquiry function, is a good case study, from which we can learn javaGUI programming, and can further consolidate learning java)

miniQQ，课程设计项目。支持好友，黑名单，保存聊天记录(MiniQQ, curriculum design. In support of friends, black list, save chat logs)

说明：  java用于窗口布局的小程序极其应用多个实例(java border layout)