Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

ÈçºÎ²é¿´JavaºËÐÄÀà¿âÖеĴúÂ룿

ÎÒÏë¿´ÏÂStringÖеÄhashcodeº¯Êý´úÂëÊÇÔõôÑùµÄ£¬²»ÖªµÀÔõô²é£¿

¶÷£¬¿´µ½ÁË£¬Ð»Ð»

¿ÉÒÔÓÃeclipse¹ØÁªÆðÀ´²é¿´±È½Ï·½±ã

¾Ý˵ÓõÄÊÇ¡¶C³ÌÐòÉè¼ÆÓïÑÔ¡·ÀïµÄhashËã·¨¡£

Java code:

int hash = 0;
for(int i = 0; i < length(); i++)
hash = 31 * hash + charAt(i);


Java2ºËÐļ¼ÊõµÚ1¾í.»ù´¡ÖªÊ¶£¨µÚ7°æ£©P163  5.2.3 hashCode·½·¨ ÀïÃæËµ£¬StringÀàÊÇʹÓÃÉÏÃæµÄËã·¨¼ÆËãÉ¢ÁÐÂëµÄ

¾ÍÊÇ#1µÄsrc.zip

¿´¿´Óкô¦£¡£¡£¡  ѧϰԴ´úÂ룡£¡£¡

ÒýÓÃ
Java codeint hash=0;for(int i=0; i < length(); i++)
    hash=31* hash+ charAt(i);
Java2ºËÐļ¼ÊõµÚ1¾í.»ù´¡ÖªÊ¶£¨µÚ7°æ£©P163  5.2.3 hashCode·½·¨ ÀïÃæËµ£¬StringÀàÊÇʹÓÃÉÏÃæµÄËã·¨¼ÆËãÉ¢ÁÐÂëµÄ

ΪʲôÊÇ31ÄØ£¿Õâ¸öÊý×ÖÄÄÀïÀ´µÄ£¿

¶Ô°¡£¬ËûΪʲôƫƫ¾ÍÓÃ31ÄØ£¬ÓÃ23Ò²ºÃ°¡£¬ºÇºÇ

ÒýÓÃ
ÒýÓà 5 Â¥ mythofking µÄ»Ø¸´:
Java codeint hash=0;for(int i=0; i < length(); i++)
    hash=31* hash+ charAt(i);
Java2ºËÐļ¼ÊõµÚ1¾í.»ù´¡ÖªÊ¶£¨µÚ7°æ£©P163  5.2.3 hashCode·½·¨ ÀïÃæËµ£¬StringÀàÊÇʹÓÃÉÏÃæµÄËã·¨¼ÆËãÉ¢ÁÐÂëµÄ

ΪʲôÊÇ31ÄØ£¿Õâ¸öÊý×ÖÄÄÀïÀ´µÄ£¿

ÕâÒ²ÕýÊÇÎÒÏëÖªµÀµÄÎÊÌâ

ÎÒ¾õµÃ£¬¿ÉÄÜÔÚ²»Í¬µÄÇé¿öÏ£¬Õâ¸öȡֵҲÊÇ¿ÉÒÔ²»Í¬µÄ

ºÃÁË£¬ÎÒ½áÌùÁË£¬Ð»Ð»¸÷λ´óÏÀ


Ïà¹ØÎÊ´ð£º

³¬ÏêϸµÄPHPºÍJAVA¿ª·¢µÄOAϵͳÓÅÁÓÈ«Ãæ±È½Ï

ÏÖÔÚ»¹ÓкܶàÈ˸㲻¶®PHPºÍJAVA¿ª·¢µÄЭͬOAµ½µ×ÓÐʲô²»Í¬£¬¶Ô×Ô¼ºµ½µ×ÓÐʲôӰÏ죬ÒÔÖÁÓÚ×ö³öÁË´íÎóµÄÑ¡Ôñ¶øêݺ¦ÎÞÇî¡£±ÊÕ߸ù¾ÝÁ½ÖÖ¼¼ÊõµÄÌØµãÖØÐÂÕûÀíÁËÒ»¸ö¶Ô±È£¬¸ø¹ØÐÄЭͬOA¼¼ÊõµÄ¶ÁÕß×ö¸ö²Î¿¼¡£
»ªÌ춯Á¦Ð ......

javaµÄÎÊÌâ ¼±¼±£¡!

ÎÒÔÚeclipseÖÐдÁËÒ»¸ö²¥·ÅÒôÀÖµÄÀ࣬²¢°ÑÒôÀÖÎļþºÍÀàÎļþ·ÅÔÚÁËÒ»Æð£¬½á¹ûÔËÐÐʱ£¬³öÏÖ´íÎó£¬ËµÊÇÒôÀÖÎļþÄǸöÊǿյ쬵«ÊÇÔÚjcreatorÓÃͬÑùµÄ·½·¨½á¹ûÊÇ¿ÉÒÔÔËÐеģ¬ÇëÇó¸ß˵ָ½Ì£¬¸æËßΪʲô£¿¼±
ÄãÈôÊÇÔÚWindo ......

Ìì½ò ÕÐÆ¸¼æÖ°£¨java struts2)

ÎÒÃÇÓÐÏîÄ¿Ïë×齨һ¸ö¿ª·¢ÍŶӣ¬
Ö÷ÒªÓà tomcat,java,struts2,ÎÒÃǵĺËÐijÉÔ±¶¼ÊǾ­Ñé·Ç³£·á¸»µÄϵͳÉè¼ÆÊ¦£¬
Èç¹ûÄúÔÚÌì½ò£¬Í¬Ê±¶Ôjava±È½Ï¸ÐÐËȤ£¬
¿ÉÒÔ¼ÓÈëÎÒÃÇ¡£
Ï£ÍûÒªÇó
  1¡£°®ºÃ±à³Ì
......

Java RandomAccessFile дÈëtxtÎļþ - Java / Java SE

ÓÃRandomAccessFileдÈëTXTÎļþ²é¿´Ê±ÊÇÂÒÂ룬ÇëÎÊÓÐʲô·½·¨¿ÉÒÔд³É¿É¶ÁµÄÎļþ£¬²»ÊÇÓÃÆäËûµÄÎļþ²Ù×÷£¬¾ÍÊÇÖ»ÓÃRandomAccessFileµÄ·½·¨ÊÇ·ñ¿ÉÒÔʵÏÖ£¿
Java code:
import java.io.*;
public class RandomAcce ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ