There are numerous listeners that exists which can be applied in Java GUI. Which one is not?*1 pointFocusListenerKeyListenerTextListenerNone of the above

Which event listener is used to handle mouse clicks in Java GUI?1 pointKeyListenerMouseListenerWindowListenerActionListener

Identify the method in Java GUI that is crucial for event source identification and event definition and implementation.*1 pointactionListener()actionPerformed()actionImplement()actionEvent()

Which method from the ActionEvent class is used to fetch the identity of the event source in Java GUI?*1 pointgetInt()getSource()getEvent()getListener()

Which class is used to create a window in Java GUI?1 pointJPanelJLabelJButtonJFrame

Explain ActionListener in Java.