Event Listeners Interfaces - Java Programming Questions and Answers

Event Listeners Interfaces

1: Which of these is superclass of all Adapter classes?

A. Applet

B. ComponentEvent

C. Event

D. InputEvent

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2: Which of these are constants defined in WindowEvent class?

A. WINDOW_ACTIVATED

B. WINDOW_CLOSED

C. WINDOW_DEICONIFIED

D. All of the mentioned

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3: Which of these methods is defined in MouseMotionAdapter class?

A. mouseDragged()

B. mousePressed()

C. mouseReleased()

D. mouseClicked()

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4: Which of these methods will be invoked if a character is entered?

A. keyPressed()

B. keyReleased()

C. keyTyped()

D. keyEntered()

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5: Which of these methods will respond when you click any button by mouse?

A. mouseClicked()

B. mouseEntered()

C. mousePressed()

D. All of the mentioned

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