package HomeSky;

public class DrawIcon implements Icon{

private int width;

private int height;

public int getIconHeight() {

return this.height;

}

public int getIconWidth() {

return this.width;

}

public DrawIcon(int width,int height) {

this.width=width;

this.height=height;

}

public void paintIcon(ComponentInputMap arg0,Graphics arg1,int x,int y) {

arg1.fillOval(x,y,width,height);

}

public static void main(String[] args) {

DrawIcon icon=new DrawIcon(15,15);

JLabel j=new JLabel("测试",SwingConstants.CENTER);

JFrame jf=new JFrame();

java.awt.Container c=jf.getContentPane();

}

}

画横线是报错的地方