Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

Ò»¸ö¼òµ¥µÄCÎÊÌâ - C/C++ / CÓïÑÔ

What is displayed when f() is called given the code:
class Number {
public:
string type; 

Number(): type( ¡° void ¡± ) { }
explicit Number(short) : type( ¡° short ¡± ) { } 
Number(int) : type( ¡° int ¡± ) { }
};
void Show(const Number& n) { cout << n.type; }
void f()
{
short s = 42;
Show(s); 
}
a) void
b) short
c) int
d) None of the above

ÕâµÀÌâÄ¿µÄ´ð°¸ÊÇC£¬ÎÒÏëÎʵÄÊÇ Ê²Ã´Çé¿öÏ»áµ÷ÓÃNumber(short)?ÔÚÕâÀs´«ÈëµÄ²»¾ÍÊÇshortÀàÐÍÂð£¿
explicit ÏÞ¶¨µÄ¹¹Ô캯ÊýÓ¦ÏÔʾµ÷ÓÃʱ£º
short k = 50;
Number Nk(k); // ÕâÀïÏÔʾµ÷ÓÃ
Show(Nk); // Êä³öshort

ÄãµÄÌâÄ¿²¢·ÇÏÔʾµ÷Óã¬ËùÒÔshortÐͱ»×ª»»Îªint ÐÍÁË¡£


ÓÉÓÚexplicitµÄÏÞÖƵ¼Ö±àÒëÆ÷ÎÞ·¨Ê¹ÓÃshortÀàÐ͹¹ÔìNumber
Ô­ÒòlsÓÐ˵Ã÷

ËùÒÔÖ»ÄÜÏȽ«sÒþʽת»»³ÉintÐÍ ÔÙµ÷ÓÃNumber(int)

ÒòΪÕâ¸ö¹¹Ô캯ÊýûÓÐÓÃexplicitÏÞÖÆ


Ïà¹ØÎÊ´ð£º

C/SÏîÄ¿¼Ü¹¹Éè¼Æ----ÇóÖú - Java / Java SE

±¾ÈËÕýÔÚÓÃJava×öÒ»¸öC/S¼Ü¹¹µÄÏîÄ¿£¬ 
¿ÉÊÇÓÉÓÚÏîÄ¿±È½Ï´ó£¬Ç°ÆڶԼܹ¹µÄÉè¼ÆÓÈÆäÖØÒª£¬ÒòΪºóÆÚ¿ÉÄÜËæʱ»á¼Ó¸ö¹¦ÄÜ»òÕßÈ¥µôijЩ¹¦ÄÜ¡£ 
ËùÒÔÌصØÑ°ÇóÈçºÎÉè¼ÆC/SµÄ¼Ü¹¹Ê¹³ÌÐò¸ü¼ÓÃæÏò¶ÔÏó¸ü¼ÓÒ×ÓÚά ......

ÇóÖú£ºC´úÂë¸Äд³ÉVB´úÂë - VB / »ù´¡Àà

Ë­ÄÜ°ïÎÒ°ÑÏÂÃæÕâЩ´úÂë¸Ä³ÉVBÐÎʽµÄ£¬¶àлÁË£¬¼±ÓÃ~~
#include "stdlib.h"
#include "math.h"
#include "stdio.h"
float objfx(float x[]);
void constraint(float x[],float g ......

visual c++2008²»ÄܱàÒëC³ÌÐòÂð - C/C++ / CÓïÑÔ

visual c++2008Ëٳɰ棬²»ÄܱàÒëC³ÌÐòÂð£¿Èç¹ûÄÜÊÇÔõô¿ªÊ¼µÄ°¡£¿ÓÃËü´øµÄÃüÁîÌáʾµ¥Ôª³ýÍâ ¡£
н¨¹¤³Ì£¨¿Õ¹¤³Ì»òwin32¿ØÖÆ̨£©

¾ø¶Ô¿ÉÒÔ¡£½¨Á¢win32¿ØÖÆ̨³ÌÐò¾Í¿ÉÒÔ

ÒýÓÃ
н¨¹¤³Ì£¨¿Õ¹¤³Ì»òwin32¿ØÖÆ̨£ ......

c/sºÍb/sÖ®¼äÔõôͨѶ. - Java / Web ¿ª·¢

ÔھƵê¹ÜÀíϵͳÖÐ,ÓÐÒ»¸ö¶ÔÄÚµÄϵͳ,¹©Ç°Ì¨·þÎñÔ±ºÍ¾­ÀíʹÓÃ
»¹ÓÐÒ»¸ö¾ÍÊǶÔÍâ,Èÿͻ§¿ÉÒÔÔÚÍøÉÏÔ¤¶©·¿¼ä,
ËüÃÇÖ®¼äÊÇÔõôͨѶµÄ.?µ±ÎÒÌá½»Ô¤¶©·¿¼äÐÅÏ¢µÄʱºò,
ÔÚ¶ÔÄÚµÄϵͳÖÐ,ÈçºÎÖªµÀÎÒÒѾ­Ìá½»ÁËÐÅÏ¢¹ýÈ¥.Ê¹Ç ......

rubyºÍMinGWµÄÒ»´ÎÈÚºÏ - C/C++ / C++ ÓïÑÔ

Ï£Íû¸ø´ó¼ÒÌṩһЩеÄ˼·.
ÎÒÃÇÔÚʹÓÃC±à³Ìʱ»áÓöµ½Ò»¸öÎÊÌ⣬±ÈÈçÍ·ÎļþµÄÒ»¸öº¯Êý°üº¬ÔÚÒ»¸ölib ÖУ¬µ«ÊÇ
ÔÚʵ¼ÊÁ¬½ÓÖÐÎÒÃDz»ÖªµÀËüÔÚÄĸö¿âÖС£Ò²Ðí¿ÉÐеÄÒ»ÖÖ°ì·¨ÊÇÖ±½ÓÉÏÍø²éѯij¸ö
º¯ÊýµÄÒÀÀµÌõ¼þ£¬Õâ¶Ô ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ