14 Questions
________ is super class of all the events.
EventObjeet
Which of these packages contains all the classes and methods required for even handling in Java?
java.awt.event
Which of these events is generated when the a window is closed?
WindowEvent
________method are used to register a keyboard event listener
addKeyListener()
Which of these methods can be used to know the degree of adjustment made by the user?
getValue()
A MenuItem object can generate __________ events.
ActionEvent
A source generates an event and sends it to ___________ listeners that can handle the event
One or more
A ________________________ is generated when a component is added to or removed from a container.
ContainerEvent
ActionEvent Class is used for Which Control ?
Button , List ,MenuItem
Adapter class belongs to the package
java.awt.event
Adapter Class provides_____________________________
Empty implementation of all methods of a listener
An event is generated when the internal state of the event source is ___________.
Changed
An object that would like to be notified of and respond to an event is
EventListener
At the root of the Java event class hierarchy is ___________which is the superclass for all event
EventObject
Test your knowledge of Java event handling with this quiz. Questions cover topics such as event classes, methods for event registration, and types of events generated by different objects.
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