java 初学者学习实例

				import java.applet.*;
				import java.awt.*;
				
				 
				public class E5_23 extends Applet
				{
				  int px1[]={40,80,0,40};
				  int py1[]={5,45,45,5};
				  int px2[]={140,180,180,140,100,100,140};
				  int py2[]={5,25,45,65,45,25,5};
					public void paint(Graphics g)
					{
						g.drawPolygon(px1,py1,4);
						g.drawPolygon(px2,py2,7);
						
						
					}
				}