java swing制作弹图片窗口 铺满屏幕

package jingling;

import java.awt.BorderLayout;

public class l extends JFrame {

	private JPanel contentPane;
int width=200;
int height=200;
	/**
	 * Launch the application.
	 */
	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				try {
					for(int i=0;i<=9;i++){
						Random random = new Random();//默认构造方法
						///Random random = new Random(1000);//指定种子数字
						//(02) 通过Random对象获取随机数。Random支持的随机值类型包括：boolean, byte, int, long, float, double。
						//比如，获取[0, 100)之间的int整数。方法如下：
						//Random ra = new Random(768);//默认构造方法
						 Dimension screensize = Toolkit.getDefaultToolkit().getScreenSize();
					        int w = screensize.width;
					        int h = screensize.height;
						int x = random.nextInt(w);
						int y = random.nextInt(h);
					l frame = new l(x,y);
					frame.setVisible(true);
					}
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}

	/**
	 * Create the frame.
	 */
	public l(int x,int y) {
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		//int io=0;
		final double d = Math.random();
		final int ic = (int)(d*100);
		
		setBounds(x, y, width, height);
		contentPane = new JPanel();
		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
		setContentPane(contentPane);
		contentPane.setLayout(null);
	

ImageIcon image = new ImageIcon("C:/Users/cc/Desktop/2.jpg");
image.setImage(image.getImage().getScaledInstance(width,height,Image.SCALE_DEFAULT));
JLabel label = new JLabel(image);
label.setSize(width,height);
contentPane.add(label);

		setUndecorated(true);//去掉边框
		setAlwaysOnTop(true);//窗口置顶
	}

}