java图形-趣味编程之奥运五环；

package com.saiermeng;

import java.applet.Applet;

import java.awt.Color;

import java.awt.Font;

import java.awt.Graphics;

public class wuhuan extends Applet{

private Color clr[]={Color.blue,Color.black,Color.red,Color.yellow,

Color.green}; //clr[]存储颜色

private int[] x={100,136,172,118,154}; //x[]存储圆心的x坐标

private int[] y={60,60,60,91,91}; //y[]存储圆心的y坐标

private int[][] xy={{100,60},{136,60},{172,60},{118,91},{154,91}}; //存储圆心的坐标

private int r=20,d=40;

public void paint(Graphics g) //画图方法

{

Font font = new Font("楷体",Font.PLAIN,20); //文字字体、大小

g.setFont(font);

for(int i=0;i<5;i++) //循环5次，画5个圆环

{

g.setColor(clr[i]);

g.drawOval(x[i], y[i], d, d); //d代表椭圆外切矩形的长宽，相等代表圆

}

g.setColor(Color.blue); //设置颜色

g.setFont(font);

g.drawString("奥运五环旗",120,169);

}

}