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JAVA的最新的持久机制规范JPA的代码，如何调用JPA的多种方法(The latest JAVA lasting mechanism for defining the JPA code, how to call multiple methods of JPA)

说明：  这是自定义工作流的图形定义部分，被我抽取出来，可以用于很多类似的系统(This is the definition of the graphic work flow definition, I have been extracted and can be used in many similar systems)

按照字符串的长度截取相应的字符串,加入循环条件实现长度在11个字符内的字符串批量切词~(In accordance with the length of the string interception corresponding string, add the length of the loop condition to achieve within the 11 character string batch segmentation ~)

Artificial immune system

非常经典的简介教程，CoreJava内容精简，介绍了Java中的核心内容(Very classic profile tutorial, CoreJava concise, introduced in the core Java)

JGroups多播通讯实现小功能实验。基于组播通信开发一个应用程序（接收方对收到字符串并进行大小写转换）。(Communication realization of small function in experimental JGroups multicast. Multicast communication to develop an application based on (the receiver to receive a string and case conversion).)

apk sample. kingdom rush

一种蓝牙定位的java程序，功能完善，实现质心定位，三边定位和最小二乘算法，通过布置蓝牙的位置，定位精度在0.5M左右(A bluetooth positioning Java program, the function is perfect, realize the centroid localization, trilateral positioning and least squares algorithm, through the arrangement of the position of the bluetooth, positioning accuracy at about 0.5 M)

java基于eclipse开发环境的数字水印认证系统，能完成水印嵌入，水印提出，图像认证，和篡改检测功能(java eclipse development environment based on digital watermarking authentication system, to complete the watermark embedding, watermark proposed image authentication and tamper detection)

说明：  学习用的,很简单的图形界面.它是一个简单的界面,加事件,以及2D的图形绘制的例子(the study, a very simple graphic interface. It is a simple interface, plus events, and the 2D graphic example)