A.進(jìn)行數(shù)據(jù)類型的轉(zhuǎn)換 B.用對(duì)象調(diào)用成員函數(shù) C.用對(duì)象初始化對(duì)象 D.用一般類型的數(shù)據(jù)初始化對(duì)象
A.voidf(); B.staticvoidf(); C.friendf(); D.friendvoidf();