gs gs128 Java Event Handling - Java Event Handling Basics - Quiz No.1
gs gs128 Java Quiz
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Question 1: Which of these packages contains all the classes and methods required for even handling in Java?
java.applet
java.awt
java.event
java.awt.event
Question 2: What is an event in delegation event model used by Java programming language?
An event is an object that describes a state change in a source
An event is an object that describes a state change in processing
An event is an object that describes any change by the user and system
An event is a class used for defining object, to create events
Question 3: Which of these methods are used to register a keyboard event listener?
KeyListener()
addKistener()
addKeyListener()
eventKeyboardListener()
Question 4: Which of these methods are used to register a mouse motion listener?
addMouse()
addMouseListener()
addMouseMotionListner()
eventMouseMotionListener()
Question 5: What is a listener in context to event handling?
A listener is a variable that is notified when an event occurs
A listener is a object that is notified when an event occurs
A listener is a method that is notified when an event occurs
None of the mentioned
Question 6: Event class is defined in which of these libraries?
java.io
java.lang
java.net
java.awt.event
Question 7: Which of these methods can be used to determine the type of event?
getID()
getSource()
getEvent()
getEventObject()
Question 8: Which of these class is super class of all the events?
EventObject
EventClass
ActionEvent
ItemEvent
Question 9: Which of these events will be notified if scroll bar is manipulated?
ActionEvent
ComponentEvent
AdjustmentEvent
WindowEvent
Question 10: Which of these events will be generated if we close an applet’s window?
ActionEvent
ComponentEvent
AdjustmentEvent
WindowEvent
