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

Java Type VS Hibernate Type

Java Class Attribute Type         Hibernate Type               Possible SQL Type-Vendor Specific
Integer, int, long short          integer, long, short         Appropriate SQL type
char                              character                    char
java.math.BigDecimal              big_decimal                  NUMERIC, NUMBER
float, double                     float, double                float, double
java.lang.Boolean, boolean        boolean, yes_no,             boolean, int
                                  true_false
  
java.lang.string                  string                      &


Ïà¹ØÎĵµ£º

java webÖж¨Ê±Æ÷µÄÔËÓÃ

     ÔÚ×öweb¿ª·¢µÄʱºò£¬¾­³£ÐèÒªÔÚÒ»¶¨µÄʱ¼äÈ¥¸úÐÂijЩ¶«Î÷£¬»òÊǼÓÔØijЩ¶«Î÷£¬Õâ¾ÍÓõ½Á˶¨Ê±Æ÷¡£
µ±Web¹¤³ÌÆô¶¯Ê±£¬¶¨Ê±Æ÷ÄÜ×Ô¶¯¿ªÊ¼¼Æʱ£¬ÔÚÕû¸öWeb¹¤³ÌµÄÉúÃüÆÚÀ¶¨Ê±Æ÷ÿ¹ýÒ»¶Îʱ¼ä¾ÍÖ´ÐÐÒ»´Î£¬ËùÒÔ¿¼ÂǶ¨Ê±Æ÷´æ·ÅµÄλÖá£
¶¨Ê±Æ÷¿Ï¶¨²»Äܲ»Äܼòµ¥µÄ´æÔÚÓÚµ¥¸öServlet»òJavaBeanÖУ¬±ØÐëÄ ......

ΪʲôJAVAҪʹÓõ¥¼Ì³ÐÌåϵ

´ó¼Ò¶¼ÖªµÀJAVAÖÐʹÓÃOBJECT×÷ΪΨһµÄ»ùÀà¡£µ«ÊÇJAVAµÄÉè¼ÆÕßΪʲôҪÕâÑù×öÄØ£¿ÖضÁ¡¶TTHINKING IN JAVA¡·£¬µÃ³öÒÔÏÂÔ­Òò£º
1£¬JAVAÊÇ´¿ÃæÏò¶ÔÏóµÄÓïÑÔ¡£µ¥¼Ì³ÐÌåϵ±£Ö¤ÁËËùÓÐн¨µÄ»òJDKÖÐÒÑÓеÄÀ඼±ØÐë¼Ì³Ð×ÔOBJECT¡£ÕâÑù£¬±£Ö¤ÁËËùÓеÄÀ඼¾ßÓÐһЩ»ù±¾µÄ·½·¨¡£ÀýÈçÒ»¸öString¶ÔÏóÓÐtoString()·½·¨£¬ÁíÍâÒ»¸öMath¶ÔÏ ......

JAVAÂÒÂëÎÊÌâ»ã×Ü

ÎÄÕÂת×Ô:http://www.javaeye.com/topic/31742
---------------------------------------------------
ÂÒÂë¶ÔÓÚʹÓ÷ÇÓ¢ÓïÎÄ×Ö³ÌÐòÔ±»ù±¾ÉÏÊÇÒ»Ö±²øÈÆÔÚÉí±ßµÄÂ鷳ʣ¬Õâ¸öË­Ò²±ÜÃâ²»ÁË¡£ÏÂÃæÊÇÎÒ½â¾öÂÒÂëʱºòµÄÒ»µãС¾­Ñé¡£»¶Ó­Ö¸Õý
 
Ò»¡¢±ÜÃâÂÒÂëµÄһЩעÒâµã£º
1.¾¡Á¿Ê¹ÓÃͳһµÄ±àÂ룬Èç¹ûÄãÊÇÖØÍ·¿ª·¢Ò»¸öÏ ......

ÓÃJava³ÌÐòʵÏÖ½âѹËõÎļþ

package com.huawei.globe;
import java.util.zip.*;
import java.io.*;
public class Compress {
 public Compress() {
 }
 // ѹËõĿ¼ÏµÄÎļþ
 public void compress(String zipFileName, String inputFile) throws Exception {
  compress(zipFileName, new File(inputFile)); ......

Java »·¾³±äÁ¿µÄÅäÖÃ

ÔÚjava»·¾³±äÁ¿ÅäÖÃÉÏץס “Á½Ìí¼Ó£¬ÒÔÐ޸ľÍOKÁË”
°´×¡windows¼ü+PauseBreak¼üÖ±½ÓÔڸ߼¶ÖеĻ·¾³±äÁ¿´¦ÉèÖÃ
1.Ìí¼Ó
CLASSPATH
.;C:\Program Files\Java\jdk1.6.0_02\lib;£¨ÕâÊÇÄãJdk°²×°µÄĿ¼Ïµİü£©
 
2.Ìí¼Ó
JAVA_HOME
C:\Program Files\Java\jdk1.6.0_02
3.ÐÞ¸Ä
ÐÞ¸Äpath±äÁ¿
C:\Progra ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ