Java Questions & Answers – ActionEvent & AdjustmentEvent Class

This section of our 1000+ Java MCQs focuses on ActionEvent & AdjustmentEvent class in Java Programming Language.

1. Which of these events is generated when a button is pressed?
a) ActionEvent
b) KeyEvent
c) WindowEvent
d) AdjustmentEvent
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2. Which of these methods can be used to obtain the command name for invoking ActionEvent object?
a) getCommand()
b) getActionCommand()
c) getActionEvent()
d) getActionEventCommand()
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3. Which of these are integer constants defined in ActionEvent class?
a) ALT_MASK
b) CTRL_MASK
c) SHIFT_MASK
d) All of the mentioned
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4. Which of these methods can be used to know which key is pressed?
a) getKey()
b) getModifier()
c) getActionKey()
d) getActionEvent()
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5. Which of these events is generated by scroll bar?
a) ActionEvent
b) KeyEvent
c) WindowEvent
d) AdjustmentEvent
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6. Which of these methods can be used to determine the type of adjustment event?
a) getType()
b) getEventType()
c) getAdjustmentType()
d) getEventObjectType()
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7. Which of these methods can be used to know the degree of adjustment made by the user?
a) getValue()
b) getAdjustmentType()
c) getAdjustmentValue()
d) getAdjustmentAmount()
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8. Which of these constant value will change when the button at the end of scroll bar was clicked to increase its value?
a) BLOCK_DECREMENT
b) BLOCK_INCREMENT
c) UNIT_DECREMENT
d) UNIT_INCREMENT
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