G.2. Splash Screens
Java application users often perceive a performance problem, because nothing appears on the screen when you first launch an application. One way to show a user that your program is loading is to display a splash screen—a borderless window that appears temporarily while an application loads. Java SE 6 provides the new command-line option -splash for the java command to accomplish this task. This option enables you to specify a PNG, GIF ot JPG image that should display when your application begins loading. To demonstrate this new option, we created a program (Fig. G.1) that sleeps for 5 seconds (so you can view the splash screen) then displays a message at the command line. The directory for this example includes a PNG format ...
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