提供了使用Javascr ipt编写的画图的代码，可以画线、椭圆、矩形等基本图形，在客户端实现绘图功能-Provides the use of Javascr ipt code written in paint, you can draw lines, ellipses, rectangles, and other basic graphics, graphics on the client to achieve

此事例制作完成了一款小型绘图软件，画线，面等图形！专为初学者学习使用！-This case produced the a small graphics software, drawing lines, surfaces and other graphics! Designed for beginners to learn to use!

java写的多线程，包括绘图，实现月亮的升起降落，还有画了两颗星星闪烁-java to write multi-threaded, including drawing, the rising of the moon landing to achieve, as well as painting the two stars twinkling