画园

[java]代码库

		import java.applet.Applet;

		import java.awt.Color;
		import java.awt.Graphics;

		public class Exercise4d extends Applet{

		    public void paint(Graphics g)

		   {
		    	int x,y;
		    	x=400;
		    	y=400;
		    	
		    	int s=400;
		    	for(int n=0;n<5;n++){
		    		if(n%2==0){
		    		g.setColor(new Color(161,55,143));
		    		g.fillOval(x-s, y-s, s*2, s*2);}
		    		else
		    			g.setColor(new Color(250,250,250));
		    		
		    	
		    		g.fillOval(x-s, y-s, s*2, s*2);
		    		
		    	
		    	s=s-50;
		    	}
		   
		    	
		    	g.setColor(new Color(25,250,250));
	    		
		    	
	    		g.fillOval(x-s, y-s, s*2, s*2);
	    			
		    	 
			
		   }
		    	 }