question: public boolean canPopupOverlapTaskBar ( ) { boolean result = true ; try { SecurityManager sm = System . getSecurityManager ( ) ; if ( sm != null ) { sm . checkPermission ( SecurityConstants . AWT . SET_WINDOW_ALWAYS_ON_TOP_PERMISSION ) ; } } catch ( SecurityException se ) { result = false ; } return result ; }
target:  Returns whether popup is allowed to be shown above the task bar. This is a default implementation of this method, which checks corresponding security permission.