Creating a User Interface in JavaFX - JavaFX 8: A Definitive Guide to Building Desktop, Mobile, and Embedded Java Clients - page 36

Figure 2-4. The StageCoach program after being invoked with the undecorated argument

12. exit the program again by clicking close( ), and then run the program again, passing in the

string "transparent" as the argument. notice that the program appears in the shape of a
rounded rectangle, as shown in figure 2-5 .

Figure 2-5. The StageCoach program after being invoked with the transparent argument