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

Java±àÒëÆ÷ʹÓ×MyEclipse7.0ÈçºÎ°²×°vss²å¼þ£¿

1¡¢½«org.vssplugin_1.6.2Îļþ¼Ð¼°Îļþ¼ÐÖеÄÄÚÈÝcopyµ½...\Genuitec\Common\pluginsĿ¼Ï¡£
2¡¢ÔÚĿ¼...\Genuitec\MyEclipse 7.0\configuration\org.eclipse.equinox.simpleconfigurator µÄÎļþbundles.info×îºó¼ÓÒ»ÐÐ
org.vssplugin,1.6.2,file:plugins\org.vssplugin_1.6.2\,4,false
3¡¢ÖØÆôMyEclipse7.0¼´¿É 


Ïà¹ØÎĵµ£º

java ÈÕÆÚ¸ñʽ»¯

1 SimpleDateFormatµ£µ±ÖØÈÎ,ÔõÑù¸ñʽ»¯¶¼ÐÐ
import java.util.Date;
import java.text.SimpleDateFormat;
public class Demo
{
public static void main(String[] args)
{
Date now=new Date();
SimpleDateFormat f=newSimpleDateFormat("½ñÌìÊÇ"+"yyyyÄêMMÔÂddÈÕ E kkµãmm·Ö");
System.out.println(f.fo ......

¶þ¡££¨2£©JavaÊý¾Ý²ãµÄÅäÖÃÎļþ

HibernateÔÚSpringÅädataSource
S2SHÕûºÏ   2008-09-12 15:25   ÔĶÁ160   ÆÀÂÛ0  
×ֺţº ´ó´ó  ÖÐÖР СС
<!-- mysqlÊý¾ÝÔ´µÄÅäÖà -->
<bean id="dataSource"
       class="org.apache.commons.dbcp.BasicDataSource ......

java²¢·¢±à³Ìʵ¼ù±Ê¼Ç


1, ±£Ö¤Ḭ̈߳²È«µÄÈýÖÖ·½·¨:
    a, ²»Òª¿çÏ̷߳ÃÎʹ²Ïí±äÁ¿
    b, Ê¹¹²Ïí±äÁ¿ÊÇfinalÀàÐ͵Ä
    c, ½«¹²Ïí±äÁ¿µÄ²Ù×÷¼ÓÉÏͬ²½
2, Ò»¿ªÊ¼¾Í½«ÀàÉè¼Æ³ÉḬ̈߳²È«µÄ, ±ÈÔÚºóÆÚÖØÐÂÐÞ¸´Ëü,¸üÈÝÒ×.
3, ±àд¶àÏ̳߳ÌÐò, Ê×Ïȱ£Ö¤Ë ......

javaÖбéÀúÒ»¸öMap

Map map = new HashMap();
Iterator iter = map.entrySet().iterator();
while (iter.hasNext()) {
Map.Entry entry = (Map.Entry) iter.next();
Object key = entry.getKey();
Object val = entry.getValue();
}
......

JavaÖеÄÈÝÆ÷

ÏßÐÔ±í£¬Á´±í£¬¼¯ºÏ£¬¹þÏ£±íÊdz£ÓõÄÊý¾Ý½á¹¹£¬ÔÚ½øÐÐJava¿ª·¢Ê±£¬JDKÒѾ­ÎªÎÒÃÇÌṩÁËһϵÁÐÏàÓ¦µÄÀàÀ´ÊµÏÖ»ù±¾µÄÊý¾Ý½á¹¹¡£ÕâЩÀà¾ùÔÚjava.util°üÖС£
Collection
©ÀList
©¦©ÀLinkedList
©¦©ÀArrayList
©¦©¸Vector
©¦¡¡©¸Stack
©¸Set
Map
©ÀHashtable
©ÀHashMap
©¸WeakHashMap
Ö÷Òª·ÖΪÁ½¸ö·ÖÖ§£º
Collectio ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ