libreacs-openacs

最新发布的dorisv401的说明文档，新功能增加有10个方面的内容。(the document for the latest released doris version 401)

java 图形编程常用的，检验两条直线是否相交的java算法。(check two lines crossing each other )

java实现vpn连接，有测试例子，调用dll(Java to achieve VPN connection, there are test examples, call DLL)

用JAVA实现的C4.5算法，包含了很多人在寻找的ID3包。全面，实用！！(It include C4.5 and ID3 code.It is worth to download!)

Ultima implementacao de spw em java.

游戏加密，需要注册码 谁能破解谢谢！！！！！！！！！！！！(The game encrypts, who needs the registration code to be able to...)

说明：  一只青蛙一次可以跳上1级台阶，也可以跳上2级。求该青蛙跳上一个n级的台阶总共有多少种跳法。要求：分别用普通方法和递归方法实现(A frog can jump up a step or two at a time. Find out how many jumping methods the frog can use to jump up an n-step. Requirements: Implemented by common method and recursive method respectively)

E文版 Eclipse是一个集成开发环境（IDE），它将代码编辑器、编译器、调试器、文本编辑器、GUI生成器和 (E the text version of Eclipse is an integrated development environment (IDE), it would code editor, compiler, debugger, text editor, GUI Builder and)

一个吞食蛇得游戏，用JAVA写的。7KB大小，学习的可以下载看下(Snake swallowed a very game, written using JAVA. 7KB size, learning can be downloaded Kanxia)

2.设计一个9x9的棋盘窗口，用黑白相间颜色填充棋盘。棋盘大小为600x600，标题为“棋盘”，窗口大小不可改变。程序文件命名为Exe8_2.java。(2. Design a 9x9 board window, filling the board with black and white colors. Board size is 600x600, titled chessboard , the window size can not be changed. Program file named Exe8_2.java.)