SplashScreen.setImageURL(URL imageURL) has the following syntax.
public void setImageURL(URL imageURL) throws NullPointerException , IOException , IllegalStateException
In the following code shows how to use SplashScreen.setImageURL(URL imageURL) method.
import java.awt.SplashScreen; import java.net.URL; /*w w w . j av a2 s. c o m*/ public class Main { public static void main(String args[]) throws Exception{ SplashScreen splash = SplashScreen.getSplashScreen(); splash.setImageURL(new URL("http://yourURL")); System.out.println(splash.getImageURL()); } }