简单的绘图程序，在Eclipse3.1上编译通过，可以绘制直线，圆，矩形和分形树

java实现的简单的分形树。简单易学！是学习分形知识的很好的例子。其java语法简单，只需要知道一些绘图函数即可！-java to achieve a simple fractal tree. Easy to learn! Fractal knowledge is to learn from good examples. Its java syntax is simple, only need to know a number of mapping function can be!

内含快乐的毕达哥拉斯分形树源代码。双击Pythagoras.html文件，程序运行；双击Pythagoras.java文件，进入编辑环境。-Pythagoras contains happy fractal source code tree. Double-click Pythagoras.html files, program run Pythagoras.java double-click the file, enter the editing environment.

分形树的Java源代码。编译后将产生分形树图像-Fractal Java source code tree. Compiler will generate fractal tree image