vim25_6.7

3.设计一个能够描述点（point）、线(line)、圆（circle）、矩形（rectangle）和三角形（triangle）等几何形状的类体系，能够计算不同形状的周长和面积（如果能够定义的话）。程序文件命名为Exe3_3.java。(3. Design a point can be described (point), line (line), circle (circle), class hierarchy rectangle (rectangle) and the triangle (triangle) and other geometric shapes, different shapes can calculate perimeter and area (if you can define if). Program file named Exe3_3.java.)

这是用java语言Hibernate开发实例----图书管理系统的源代码(This is a java language development instance---- Hibernate library management system source code)

EULER numerical analysis method, It has a wealth of parameter options, Use Chaos and fractal analysis routines.

说明：  用Java编写的人机井字棋游戏，用户可选择先手或后手，系统自动判断输赢。ps：纯属兴趣爱好。(Java JinZi Chess Game)

Java Hibernate integration

The following words are used as keywords in proposed extensions and are therefore reserved to allow for the possibility of future adoption of those extensions.

一个简单的java swing特效，有兴趣的可以参考下，适合初学者。(A simple java swing effects, are interested can refer to, for beginners.)

WebWork是由OpenSymphony组织开发的，致力于组件化和代码重用的J2EE Web框架。WebWork目前最新版本是2.2.2，现在的WebWork2.x前身是Rickard Oberg开发的WebWork，但现在WebWork已经被拆分成了Xwork1和WebWork2两个项目。(WebWork is developed by the OpenSymphony organization dedicated to componentization and code reuse J2EE Web framework. WebWork latest version is 2.2.2, and now WebWork2.x predecessor Rickard Oberg developed WebWork, but now has been split into Xwork1 WebWork and WebWork2 two projects.)

JAVA读取DXF文件中的基本信息，可以自己进行扩展，还不错(java read dxf file information)

Answers a Policy object with the specified type and the specified parameter.