圆类-内部类多线程刷新

package cn.test.circle;

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

public class MyCircle {
    private int x ;
    private int y ;
    private int w ;
    private int h ;
    public MyCircle(int x, int y, int w, int h) {
        super();
        this.x = x;
        this.y = y;
        this.w = w;
        this.h = h;
        
        new MyCircleThread().start();
    }
    
    public void drawMe(Graphics g){
        g.setColor(Color.red);
        g.drawOval(x, y, w, h);
    }
    
    
    
    public int getX() {
        return x;
    }

    public void setX(int x) {
        this.x = x;
    }

    public int getY() {
        return y;
    }

    public void setY(int y) {
        this.y = y;
    }

    public int getW() {
        return w;
    }

    public void setW(int w) {
        this.w = w;
    }

    public int getH() {
        return h;
    }

    public void setH(int h) {
        this.h = h;
    }



    private class MyCircleThread extends Thread{
        @Override
        public void run() {
            super.run();
            while(true){
                try {
                    Thread.sleep(500);
                } catch (InterruptedException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
                //不断改变属性值
                x = (int)(Math.random()*100);
                y = (int)(Math.random()*100);
                w = (int)(Math.random()*100);
                h = (int)(Math.random()*100);
                
                System.out.println("圆的内部在刷新坐标"+x+"--"+y+"---"+w+"---"+h);
            }
        }
    }
}