66. Which of these methods can be used to know which key is pressed?

1. 1. getActionEvent()

   
   
   

   2. getKey()

   
   
   

   3. getModifier()

   
   
   

   4. getActionKey()

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   The getModifiers() methods returns a value that indicates which modifiers keys (ALT, CTRL, META, SHIFT) were pressed when the event was generated.

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67. Which of these are integer constants defined in ActionEvent class?

1. 1. CTRL_MASK

   
   
   

   2. SHIFT_MASK

   
   
   

   3. ALT_MASK

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   Action event defines 4 integer constants ALT_MASK, CTRL_MASK, SHIFT_MASK and ACTION_PERFORMED

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68. What is an event in delegation event model used by Java programming language?

1. 1. An event is a class used for defining object, to create events

   
   
   

   2. An event is an object that describes any change by the user and system

   
   
   

   3. An event is an object that describes a state change in processing

   
   
   

   4. An event is an object that describes a state change in a source

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   An event is an object that describes a state change in a source.

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69. Which of these events is generated when a button is pressed?

1. 1. KeyEvent

   
   
   

   2. WindowEvent

   
   
   

   3. ActionEvent

   
   
   

   4. AdjustmentEvent

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   Action event is generated when a button is pressed, a list item is double-clicked or a menu item is selected.

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

1. 1. AdjustmentEvent

   
   
   

   2. ActionEvent

   
   
   

   3. WindowEvent

   
   
   

   4. ComponentEvent

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   WindowEvent is generated when a window is activated, closed, deactivated, deiconfied, iconfied, opened or quit.

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