问题:[选择题]
A.windowActivated(WindowEven
B.windowClosed(WindowEven
C.windowOpened(WindowEven
D.windowDeactivated(WindowEven
● 参考解析
本题考查关于窗口监听器接口中基本方法的知识。选项A正确,windowActivated(WindowEvent)方法在窗口激活时被调用到;选项B错误,windowClosed(WindowEvent)方法在窗口已经被关闭时调用;选项C错误,windowOpened(WindowEvent)方法在窗口已经打开时被调用到;选项D错误,windowDeactivated(WindowEvent)方法与窗口不再激活时被调用到。故本题答案是A。