gs gs128 Java Event Handling - Event Listeners Interfaces in Java - Quiz No.1
gs gs128 Java Quiz
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Question 1: Which of these packages contains all the event handling interfaces?
java.lang
java.awt
java.awt.event
java.event
Question 2: Which of these interfaces handles the event when a component is added to a container?
ComponentListener
ContainerListener
FocusListener
InputListener
Question 3: Which of these interfaces define a method actionPerformed()?
ComponentListener
ContainerListener
ActionListener
InputListener
Question 4: Which of these interfaces define four methods?
ComponentListener
ContainerListener
ActionListener
InputListener
Question 5: Which of these interfaces define a method itemStateChanged()?
ComponentListener
ContainerListener
ActionListener
ItemListener
Question 6: Which of these methods will respond when you click any button by mouse?
mouseClicked()
mouseEntered()
mousePressed()
all of the mentioned
Question 7: Which of these methods will be invoked if a character is entered?
keyPressed()
keyReleased()
keyTyped()
keyEntered()
Question 8: Which of these methods is defined in MouseMotionAdapter class?
mouseDragged()
mousePressed()
mouseReleased()
mouseClicked()
Question 9: Which of these is a superclass of all Adapter classes?
Applet
ComponentEvent
Event
InputEvent
