AJP Vidyalankar Polytechnic CHP 3 Part 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

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.

Which of these methods are used to register a keyboard event listener?

• KeyListener()

• addKistener()

• addKeyListener()

• eventKeyboardListener()

Which of these methods are used to register a mouse motion listener?

• addMouse()

• addMouseListener()

• addMouseMotionListner()

• eventMouseMotionListener()

Event class is defined in which of these libraries?

• java.io

• java.lang

• java.net

• java.util

Which of these methods can be used to determine the type of event?

• getID()

• getSource()

• getEvent()

• getEventObject()

Which of these class is super class of all the events?

• EventClass

• EventObject

• ActionEvent

• ItemEvent

Which of these events will be notified if scroll bar is manipulated?

• ActionEvent

• ComponentEvent

• AdjustmentEvent

• WindowEvent

Which of these events will be generated if we close an applet’s window?

• ActionEvent

• ComponentEvent

• AdjustmentEvent

• WindowEvent

The Following steps are required to perform: 1) Implement the Listener interface and overrides its methods 2) Register the component with the Listener

• Exception Handling

• String Handling

• Event Handling

• None of the above