자바 그래픽 구현에 대한 질문

import java.awt.Color;
import java.awt.Graphics;
import javax.swing.JFrame;
 
class Frame extends JFrame {
	Color redColor;
	public int count = 1;
	public void paint(Graphics g) {			//count값에 따라 도형그리기
		super.paintComponents(g);
			redColor = new Color(255,0,0);
			g.setColor(redColor);
			g.fillRect(15 * count , 0, 10, 85);
	}
 
	public Frame() {
		setSize(1000,1000);
		getContentPane().setLayout(null);
		setVisible(true);
	}
}
 
public class aa{
	static Frame a= new Frame();
 
	public static void main(String[] args) {
		for( int i = 0; i <10; i++) {			//1초에 1번씩 루프
			try {
				Thread.sleep(1000);
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
			a.count++;
		}
	}
}