C++ÓëJava»ù±¾Êý¾ÝÀàÐͱȽÏ
C++ÓëJava»ù±¾Êý¾ÝÀàÐͼ°ËùÕ¼ÓÃÄÚ´æ¿Õ¼ä±È½Ï
----------------C++
----------- ------------Java
----------
(01)bool------------------1 byte 01)boolean--1 byte
(02)char------------------1 byte
02)char------2 bytes
(03)signed char---------1 byte 03)byte------1 byte
(04)unsigned char------1 byte
(05)wchar_t--------------2 bytes
(06)short-----------------2 bytes 04)short-----2 bytes
(07)unsigned short-----2 bytes
(08)int--------------------4 bytes 05)int---------4 bytes
(09)unsigned int--------4 bytes
(10)long------------------4 bytes
06)long-------8 bytes
(11)unsigned long-------4 bytes
(12)long long-------------8 bytes
(13)unsigned long long--8 bytes
(14)float-------------------4 bytes 07)float-------4 bytes
(15)double----------------8 bytes &nbs
Ïà¹ØÎĵµ£º
¹¤ÓûÉÆÆäÊ£¬±ØÏÈÀûÆäÆ÷¡£ÊìϤ¿ª·¢»·¾³¿ÉÒÔÈÃÄã¸ü¿ì¸üºÃ¸üÊæ·þµØ¿ª·¢Èí¼þ¡£¾ÍÈçͬVC/.net¿ª·¢ÈËÔ±Àë²»¿ªmsdn£¬java¿ª·¢ÈËÔ±ÍùÍùÒ²Àë²»¿ªjava API¡£ÏÂÃæ½éÉÜÏÂÈçºÎÔÚEclipseºÍNetBeansÖе¼Èëjava API¡£Ê¹Ö®¿ÉÒÔ·½±ã¿ìËٵزéÕÒ£¬¶¨Î»¡£
¡¡¡¡±¾ÎÄÊʺÏÓë¸Õ¸Õ½Ó´¥Eclipse»òNetBeansµÄjava¿ª·¢ÈËÔ±£¬»òÕßÊÇÓоÑéµÄʹÓÃEc ......
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.huadoo.model.Area;
public class Aaaa {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
  ......
Ôںܶàʱºò£¬ÎÒÃÇÐèÒª×Ô¶¯Éú³ÉÓÀÔ¶²»»áÖØ¸´µÄID£¬Òò´ËÎÒÃÇ»áÓõ½ÒÔϵĴúÂëÀ´ÊµÏÖ£º
×¢Ò⣺ÐèÒª¼ÓÈëÁ½¸öapacheµÄ°ü,´úÂëºÍ°üÇë´Óhttp://www.blogjava.net/afei0922/articles/129589.html ÏÂÔØ
package cn.com.cinda.rtx.state;
import org.apache.commons.id.Hex;
public class RandomCode {
pub ......
Ò»¡¢final
¸ù¾Ý³ÌÐòÉÏÏÂÎÄ»·¾³£¬Java¹Ø¼ü×ÖfinalÓГÕâÊÇÎÞ·¨¸Ä±äµÄ”»òÕß“ÖÕ̬µÄ”º¬Ò壬Ëü¿ÉÒÔÐÞÊηdzéÏóÀà¡¢·Ç³éÏóÀà³ÉÔ±·½·¨ºÍ±äÁ¿¡£Äã¿ÉÄܳöÓÚÁ½ÖÖÀí½â¶øÐèÒª×èÖ¹¸Ä±ä£ºÉè¼Æ»òЧÂÊ¡£
finalÀ಻Äܱ»¼Ì³Ð£ ......
Ò»¡¢Îª´úÂë¼Ó×¢ÊÍ¡£ËäȻÿ¸öÈ˶¼ÖªµÀÕâµã£¬µ«ÓÐʱȴ²»×Ô¾õÍüÁËÂÄÐУ¬½ñÌìÄã“ÍüÁË”¼Ó×¢ÊÍÁËÂð£¿ËäÈ»×¢ÊͶԳÌÐòµÄ¹¦ÄÜûʲô“¹±Ï×”£¬µ«¹ýÒ»¶Îʱ¼ä£¬±ÈÈç˵Á½ÐÇÆÚÖ®ºó»òÕ߸ü³¤£¬»Ø¹ýÍ·À´¿´¿´×Ô¼ºµÄ´úÂ룬˵²»¶¨ÒѾ¼Ç²»×¡ËüÊǸÉʲôµÄÁË¡£Èç¹ûÕâЩ´úÂëÊÇÄã¸öÈ˵ģ¬ÄÇ»¹ËãÊÇ×ßÔËÁË£¬²»ÐÒµÄÊÇ£¬µ± ......