set the value of the javafx.scene.control.tab #getonclosed onclosed property for the instance constructed by this builder . concode_field_sep javafx.event.EventHandler<javafx.event.Event> onClosed concode_elem_sep java.lang.Object userData concode_elem_sep int __set concode_elem_sep boolean closable concode_elem_sep javafx.event.EventHandler<javafx.event.Event> onSelectionChanged concode_elem_sep javafx.scene.control.Tooltip tooltip concode_elem_sep java.util.Collection<? extends java.lang.String> styleClass concode_elem_sep javafx.scene.Node content concode_elem_sep javafx.scene.control.ContextMenu contextMenu concode_elem_sep boolean disable concode_elem_sep java.lang.String style concode_elem_sep java.lang.String id concode_elem_sep java.lang.String text concode_elem_sep javafx.scene.Node graphic concode_field_sep B userData concode_elem_sep void __set concode_elem_sep B closable concode_elem_sep B onSelectionChanged concode_elem_sep B tooltip concode_elem_sep B styleClass concode_elem_sep B styleClass concode_elem_sep B content concode_elem_sep void applyTo concode_elem_sep B contextMenu concode_elem_sep javafx.scene.control.Tab build concode_elem_sep B disable concode_elem_sep javafx.scene.control.TabBuilder<?> create concode_elem_sep B style concode_elem_sep B id concode_elem_sep B text concode_elem_sep B graphic
B function ( javafx . event . EventHandler < javafx . event . Event > arg0 ) { this . onClosed = arg0 ; __set ( 6 ) ; return ( B ) this ; }