单选题 单击按钮可以产生ActionEvent事件,实现______接口可处理此事件。
【正确答案】 D
【答案解析】[解析] 参看“表 AWT事件及监听器接口”可以得知,ActionEvent事件对应的接口为ActionListener。
表 AWT事件类别及监听器接口
事件类别 接口 方法及参数
ActionEvent ActionListener actionPerformed(ActionEvent)
ItemEvent ItemListener itemStateChanged(ItemEvent)
AdjustmentEvent AdjustmentListener adjustmentValueChanged(adjustmentEvent)
ComponentEvent ComponentListener componentHidden(ComponentEvent)
componentMoved(ComponentEvent)
componentResized(ComponentEvent)
componentShown(ComponentEvent)
MouseEvent MouseListener mouseClicked(MouseEvent)
mouscEntered(MouseEvent)
mouseExited(MouseEvent)
mouseReleased(MouseEvent)
mousePressed(MouseEvent)
MouseEvent MouseMotionLiStener mouseDragged(MouseEvent)
mouseMoved(MouseEvent)
WindowEvent WindowListener windowActivated(WindowEvent)
windowDeactivated(WindowEvent)
windowOpened(WindowEvent)
windowClosed(WindowEvent)
windowClosing(WindowEvent)
windowIconfied(WindowEvent)
windowDeIconfied(WindowEvent)
KevEvent KeyListener keyPressed(KeyEvent)
keyReleased(KeyEvent)
keyTyped(KeyEvent)
ContainerEvent ContainerListener componentAdded(containerEvent)
componentRemoved(containerEvent)
TextEvent TextListener textValueChanged(TextEvent)
FocusEvent FocusListener focusGained(FocusEvent)
focusLost(FocusEvent)