一个java做的画图小程序，可以画直线，椭圆，圆，长方形，还可以选择画笔的粗细，画笔的颜色，可以保存图形。-do a small drawing procedure could draw straight, oval, round, rectangular, and can also choose the size of the brush, brush the color and graphics can be preserved.

JAVA开发的绘图小程序，能实现简单的绘图功能。能用鼠标拖动画出椭圆，正圆，直线，正方形，长方形，弧线，还能设置颜色，具有擦出、清除、保存等功能。-JAVA applet drawing development, to achieve the simple graphics. Can drag the mouse to draw an ellipse, perfect circle, line, square, rectangle, arc, but also set the color, ha