java swing通过线程实现label移动

package demo1009;

import java.awt.Container;
import java.net.URL;

import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.SwingConstants;

public class SwingAndThread extends JFrame {
	
	private JLabel jl = new JLabel("label");
	private static Thread t;
	private int count=0;
	private Container container = getContentPane();
	
	public SwingAndThread(){
		container.add(jl);
		setVisible(true);
		setBounds(10, 10, 1000, 100);
		setLayout(null);
		URL url = SwingAndThread.class.getResource("/1.gif");
		Icon icon = new ImageIcon(url);
		jl.setIcon(icon);
		jl.setHorizontalAlignment(SwingConstants.LEFT);
		jl.setBounds(10, 10, 100, 50);
		jl.setOpaque(true);
		t =  new Thread(new Runnable() {
			
			@Override
			public void run() {
				while (count<200) {
					jl.setBounds(count, 10, 100, 50);
					try {
						Thread.sleep(1000);
					} catch (InterruptedException e) {
						
						e.printStackTrace();
					}
					count+=4;
					if (count==200) {
						count=10;
					}
				}
				
			}
		});
		t.start();
		
	}
	

	public static void main(String[] args) {
		new SwingAndThread();

	}

}