Just two multichoice java questions.
Which of the following methods must be invoked after makingchanges to a panel for the changes to be visible to the user?
Which of the following is false?
a. When removing an event listener using the required method,the method doesn’t throw an exception even if the event listener isnot found.
b. In order to remove an event listener from a component, thecomponent must be instantiated inside an anonymous inner class.
c. Once an event listener has been removed from a component, itcan be added to the component again.
d. Once a listener is removed from a component, the listener nolonger receives component events from this component.