FocusTraversalDemo
To run it, download and compile it, and then run it as an application.
The focus subsystem determines a default order that is applied when using the focus traversal keys (such as Tab) to navigate.
Use the isFocusTraversalPolicyProvider() method to determine whether a Container is a focus traversal policy provider.
Use the setFocusTraversalPolicyProvider() method to set a container for providing focus traversal policy. To run it, download and compile it, and then run it as an application.