A.const float PI;PI=3.14f; B.const float PI=3.14f; C.float const PI;PI=3.14f; D.float const PI=3.14f;
A.編寫程序時(shí) B.編譯時(shí) C.運(yùn)行時(shí) D.最終用戶發(fā)出請(qǐng)求時(shí)
A.string str="Tom\’s Living Room"; B.string str="Tom’s Living Room"; C.string str("Tom’s Living Room"); D.string str("Tom"s Living Room");