作者: longlongint (華哥爾) 2018-01-24 13:05:00
繼承類是is a, member 類是 has a繼承的時候會繼承 has aD 應該是 has a function, B應該是 has a List<Toggle>. 都不用選打錯 tagget
作者: GhriS (童貞肥宅) 2018-01-26 12:59:00
感謝大大解釋 說實在我覺得BD都很勉強 能不選最好但無奈題目要人選3個...今天去考完有出這題 oracle給的應該是ABE錯誤提示沒有出現關於is-a has-a的