A. 1和0 B. 1和4 C. 4和0 D. 4和1
A. 成員函數(shù)時(shí)B. 數(shù)據(jù)成員時(shí)C. 對(duì)象時(shí)D. 友元函數(shù)時(shí)
A. const char *p=“ABCD”; B. char *const p=“ABCD”; C. char const *p=“ABCD”; D. const char * const p=“ABCD”;