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

win7£¨windows7£©ÏÂjava»·¾³±äÁ¿ÅäÖ÷½·¨

win7£¨windows7£©ÏÂjava»·¾³±äÁ¿ÅäÖ÷½·¨
 
 
windows7ÏÂjava»·¾³±äÁ¿ÅäÖ÷½·¨£º
   1.ÓÃÊó±êÓÒ»÷“ÎҵĵçÄÔ”->ÊôÐÔ  
  
   Ñ¡Ôñ×ó±ßµ¼º½µÄ“¸ß¼¶ÏµÍ³ÉèÖÔѡÏȻºóÕâ»ØÊìϤÁË°É£¿
  
   ¼ÌÐøÑ¡ÔñÓÒϽǵē»·¾³±äÁ¿”Ñ¡Ïî
   2.½øÐÐwin7ÏÂJava»·¾³±äÁ¿ÅäÖÃ
  
   ÔÚ"ϵͳ±äÁ¿"ϽøÐÐÈçÏÂÅäÖãº
  (1)н¨->±äÁ¿Ãû£ºJAVA_HOME ±äÁ¿Öµ£ºC:\Program Files\Java\jdk1.6.0_10(ÕâÖ»ÊÇÎÒµÄJDK°²×°Â·¾¶,ÕâÀïÊǸù¾Ý×Ô¼ºµÄ°æ±¾ºÍ·¾¶¶øÉèÖõģ¬×îºÃÔÚµØÖ·À¸Ö±½Ó¿½±´Ä¿Â¼)
  (2)±à¼­->±äÁ¿Ãû£ºPath ÔÚ±äÁ¿ÖµµÄ×îÇ°Ãæ¼ÓÉÏ£º%JAVA_HOME%\bin;%JAVA_HOME%\jre\bin
  (3)н¨->±äÁ¿Ãû£ºCLASSPATH ±äÁ¿Öµ£º.;%JAVA_HOME%\lib;%JAVA_HOME%\lib\dt.jar;%JAVA_HOME%\lib\tools.jar
  
   ×¢Ò⣺µ±ÉèÖõıäÁ¿ÔÚĩβʱ£¬²»Òª¼ÓÉÏ“£»”¡£
  3.²âÊÔÏ»·¾³±äÁ¿ÊÇ·ñÉèÖóɹ¦
    ÔÚ×óϽǵÄËÑË÷¿òÖмüÈë
    cmd
    »òÕß°´Ï“WIN+R”¼ü,“WIN”¼ü¾ÍÊÇ"CTRL"ºÍ“ALT””ÖмäÄǸö΢Èíͼ±êÄǸö¼ü£»
   ·Ö±ðÊäÈëjava£¬javac£¬java -version ÃüÁî
   Èç¹û³öÏÖÈçÏÂÐÅÏ¢£º
  
  
  
   4.ÄãµÄJava»·¾³±äÁ¿ÅäÖóɹ¦£¡
   ×¢Òâ:
   Èô³öÏÖ
   'javac' ²»ÊÇÄÚ²¿»òÍⲿÃüÁҲ²»ÊÇ¿ÉÔËÐеijÌÐò
   »òÅú´¦ÀíÎļþ¡£
   ËµÃ÷´Ë´ÎJava»·¾³±äÁ¿ÅäÖóö´íÁË£¬×Ðϸ¼ì²éÏ°ɣ¡


Ïà¹ØÎĵµ£º

JAVA·´Éä»úÖÆÊÂÀý¶þ

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
public class Test {
/**
* @param args
*/
public static void main(String[] args) {
try {
Class cls = com.lwf.util.CommonUtil.class;
Object obj = cls.newInstance();
Method addMethod = cls.ge ......

Java SE Òì³£

package demo;
class TestA{
 public int devide(int x,int y) throws ArithmeticException , DevideByMinusException{
  if(y<0)
   throw new DevideByMinusException("±»³ýÊýΪ¸º",y);
  int result=x/y;
  return result;
 }
}
public class TestE ......

ÔõÑù²é¿´Jsp±àÒëºóÉú³ÉµÄJavaÎļþ

      ¿ÉÄÜ´ó¶àÊýJsp¿ª·¢Ô±ÔÚдÍê³ÌÐò²âÊÔͨ¹ýºó£¬²»Ì«»á¹Ø×¢JspÉú³ÉµÄJavaÎļþ£¬Æäʵ£¬Í¨¹ýJava´úÂ룬¸üÄÜÌåÏÖ³ÌÐò´úÂëµÄÕæÕýº¬Ò壬¶Ô½øÒ»²½Ñо¿³ÌÐò´úÂëµÄºǫ́ÔËÐÐÇé¿öÊǷdz£ÓаïÖúµÄ¡£ÀýÈ磬ÓÃJsp±àд´úÂëʱ£¬ÓÐʱºòÓÃ<%!   %>£¬ÓÐʱºòÓÃ<%   %>£¬¼Ó²»¼Ó¸Ð̾º ......

JavaÖÐʹÓÃBigDecimalʵÏÖ¾«È·ÉáÎåÈë¼°¹¤³ÌÔËËã

£¨×¢£ºÇ°ÃæдÁËÒ»¸ö³¬´óÕûÊýÏà¼ÓµÄÀ࣬²Î¼û£º ³¬´óÕûÊýÏà¼Ó£¬³¬¹ýÁËlongµÄ·¶Î§£¬ÄãÒªÔõô×ö£¡£¬ºóÀ´ÓÐÅóÓÑÆÀÂÛ˵BigDecimal¿ÉÒÔÍêȫʵÏÖÎÒµÄÕâÕâ¸ö¹¦ÄÜ£¬¸Õ¿ªÊ¼µÄʱºò£¬ÎÒ»¹²»·þÆø£¬¾ÝÎÒËùÖªÄÇÀïÓÐÕâÑùµÄÀàŶ£¬ºóÀ´±¨×Å˵·þËûµÄÐÄÀíÈ¥ÕÒÁËһϣ¬ºÇºÇ£¬½á¹û¾ÓÈ»×Ô¼º±»Ëµ·þÁË£¬È·ÊµÓÐÕâôһ»ØÊ£¬ÀûÓÃBigDecimal²Ù×÷³¬´óÕûÊýÒ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ