circle.java

简单的java小程序

import javax.swing.JApplet;
import java.awt.*;
import java.util.*; 
public class circle extends JApplet{
	public void paint(Graphics page){
		int r1=100,r2=50;
		int i=100;
		int e,f,g;
		Random generator = new Random();
		while(i>0){
			e=generator.nextInt(256); 
			f=generator.nextInt(256); 
			g=generator.nextInt(256); 
			Color c=new Color(e,f,g); 
			page.setColor(c);
			page.drawOval(300 - (200 + i), 300 - (100 + i), (r1+i) * 2, (r2+ i) * 2); 
			i--;
		}
	}
}