The Foundation of Game Play Loop: The JavaFX Pulse System and the Game Processing Architecture - Beginning Java 8 Games Development - page 226

Figure 7-2 . Right-click the invincibagel package folder, and use the New Java Class menu sequence

Click New Java Class , which will open the New Java Class dialog, seen in
Figure 7-3 . Name the class GamePlayLoop , and leave the other defaults, which
NetBeans set, based on your right-clicking the invincibagel package folder, and click
Finish .

Figure 7-3 . Name the new Java class GamePlayLoop, and let NetBeans set up the other fields