资 源 简 介
/*PainterDemo.java，画图，只画直线，矩形，椭圆-Java画图实验-Java源代码
*只画直线，矩形，椭圆，只能向右下角画
*
*PainterPanel extends JPanel implements MouseListener
*addMouseListener(this);
*
*JToggleButton
*
*hxz*/
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
class PainterPanel extends JPanel implements MouseListener{
