Java interview questions part 9
Java interview questions part 9
Take as many assements as you can to improve your validate your skill rating
Total Questions: 20
1. Which of these interfaces define four methods?
Correct Answer is : ComponentListener
2. Which of these interfaces define a method itemStateChanged()?
Correct Answer is : ItemListener
3. Which of these methods will respond when you click any button by mouse?
Correct Answer is : all of the mentioned
4. Which of these methods will be invoked if a character is entered?
Correct Answer is : keyTyped()
5. Which of these methods is defined in MouseMotionAdapter class?
Correct Answer is : mouseDragged()
6. Which of these is a superclass of all Adapter classes?
Correct Answer is : Applet
7. Which of these events is generated when the window is closed?
Correct Answer is : WindowEvent
8. Which of these methods can be used to obtain the coordinates of a mouse?
Correct Answer is : getPoint()
9. Which of these methods can be used to change location of an event?
Correct Answer is : TranslatePoint()
10. Which of these are integer constants of TextEvent class?
Correct Answer is : TEXT_VALUE_CHANGED
11. Which of these methods is used to obtain the object that generated a WindowEvent?
Correct Answer is : getWindow()
12. MouseEvent is subclass of which of these classes?
Correct Answer is : InputEvent
13. Which of these methods is used to get x coordinate of the mouse?
Correct Answer is : getX()
14. Which of these are constants defined in WindowEvent class?
Correct Answer is : All of the mentioned
15. Which of these is superclass of WindowEvent class?
Correct Answer is : ComponentEvent
16. Which of these events is generated when the size of an event is changed?
Correct Answer is : ComponentEvent
17. Which of these events is generated when the component is added or removed?
Correct Answer is : ContainerEvent
18. Which of these methods can be used to obtain the reference to the container that generated a ContainerEvent?
Correct Answer is : getContainerEvent()
19. Which of these methods can be used to get reference to a component that was removed from a container?
Correct Answer is : getchild()
20. Which of these are integer constants of ComponentEvent class?
Correct Answer is : All of the mentioned
