萬一以后想修改某個(gè)對(duì)象的數(shù)據(jù)成員,就要用到setX(),setY(),
2015-06-29
m_iCount是private的,怎么在拷貝構(gòu)造函數(shù)里面可以調(diào)用arr.m_iCount?
2015-06-26