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

Effective Java¶ÁÊé±Ê¼Ç

package chape8;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
/**
* µÚ°ËÕ ͨÓóÌÐòÉè¼Æ
* µÚ45Ìõ£º ½«¾Ö²¿±äÁ¿µÄ×÷ÓÃÓò¼õСµ½×îС
*   ½«¾Ö²¿±äÁ¿µÄ×÷ÓÃÓò×îС»¯¡£¿ÉÒÔÔöÇ¿´úÂëµÄ¿É¶ÁºÍ¿Éά»¤ÐÔ£¬²¢½µµÍ³ö´íµÄ¿ÉÄÜÐÔ
*   Ҫʹ×÷ÓÃÓò×îС£¬×îÓÐÁ¦µÄ·½·¨¾ÍÊÇÔÚµÚÒ»´ÎʹÓÃËüµÄʱºòÉùÃ÷£»Èç¹ûÌáǰÉùÃ÷»áÔì³É
* һƬ»ìÂÒ£»Ò²»á·ÖÉ¢×¢ÒâÁ¦
* ¼¸ºõÿ¸ö¾Ö²¿±äÁ¿µÄÉùÃ÷¶¼Ó¦¸Ã°üÀ¨Ò»¸ö³õʼ»¯µÃ±í´ïʽ£»
* ÀýÈ磺
* for(Element e : c)
* {
* dosomthing(e);
* }
* Õâ¸öÊÇjava1.5ÒÔÉϵİ汾µÄforÑ­»·µÄÊ×ÏÈ¿¼ÂǵÄд·¨£»
* ¡£¡£¡£¡£¡£¡£¡£¡£¡£¡£¡£¡£¡£
* ÔÙÀ´¿´£ºÏÂÃæÊÇjava1.5ÒÔǰµÄforÑ­»·
* List c = new ArrayList ();
Iterator it = c.iterator();
while(it.hasNext())
{
it.next();
}
List c1 = new ArrayList();
Iterator it1 = c1.iterator();
while(it.hasNext())
{
it1.next();
}
* µ«Äã±È½ÏÒ»ÏÂÕâÁ½¸öÑ­»·£¬µÚ¶þ¸öÑ­»·ÊÇÎÒÒªµÄµÚ¶þ¸öÑ­»· ÎÒΪÁË·½±ã½«µÚÒ»¸öÑ­»·
* ¸´ÖÆÁËÒ»·Ý £¬È»ºó¸Ä±äÁ˱äÁ¿µÄÃû³ÆÀ´´ïµ½Á½¸öÑ­»·µÄÄ¿µÄ£¬這樣寫 ide²»會報錯
* µ«ÊÇÏÔÈ»ÎÒÍüÁËÐÞ¸ÄһЩ±ØÐëÐ޸ĵĶ«Î÷£¬µ«ÊǵÚÒ»¸öÑ­»·ÖеÄitÔÚµÚ¶þ¸öµÄ×÷ÓÃÓòÖÐÒÀÈ»ÓÐЧ ÕâÑù»áÔì³ÉÄãÈÏΪ
* ĪÃûÆäÃîµÄÎÊÌ⣻
* Èç¹û這樣寫£º
*   List c = new ArrayList ();
for (Iterator it = c.iterator();it.hasNext();)
{
it.next();
}
List c1 = new ArrayList();
while(Iterator it1 = c1.iterator();it.hasNext();)
{
it1.next();
}
    µÚÒ»個Ñ­環ÖеÄ變Á¿µÄ×÷ÓÃÓò²»會Ó°響µ½µÚ¶þ個 這樣ide¾Í會報錯 ¿ÉÒÔ¼°時¸Ä³É£»
   
    將¾Ö²¿變Á¿µÄ×÷ÓÃÓò×îС»¯ ʹ·½·¨Ð¡¶ø¼¯ÖУ¬將ÄÜ·Ö開µÄ·½·¨¶¼·Ö開£»
* @author lee
*
*/
public class Chape45 {
public static void main(String[] args) {
/*List c = new ArrayList ();
Iterator it = c.iterator();
while(it.hasNext())
{
it.next();
}
List c1 = new ArrayList();
Iterator it1 = c1.iterator();
while(it.hasNext())
{
it1


Ïà¹ØÎĵµ£º

JAVA¿ª·¢Õß×ȥµÄ20¸öÓ¢ÎÄÍøÕ¾

 
JAVA¿ª·¢Õß×ȥµÄ20¸öÓ¢ÎÄÍøÕ¾
1.[http://www.javaalmanac.com] – Java¿ª·¢ÕßÄê¼øÒ»ÊéµÄÔÚÏß°æ±¾. ÒªÏë¿ìËٲ鵽ijÖÖJava¼¼ÇɵÄÓ÷¨¼°Ê¾Àý´úÂë, ÕâÊÇÒ»¸ö²»´íµÄÈ¥´¦.
2.[http://www.onjava.com] – O’ReillyµÄJavaÍøÕ¾. ÿÖܶ¼ÓÐÐÂÎÄÕÂ.
3.[http://java.sun.com] – ¹Ù·½µÄJava¿ª·¢ÕßÍøÕ ......

java½âÎöxmlÎļþËÄÖÖ·½Ê½

 from: http://blog.csdn.net/WOSHISUNXIANGFU/archive/2008/08/25/2828634.aspx
 1.½éÉÜ
1£©DOM£¨JAXP Crimson½âÎöÆ÷£©
DOMÊÇÓÃÓëÆ½Ì¨ºÍÓïÑÔÎ޹صķ½Ê½±íʾXMLÎĵµµÄ¹Ù·½W3C±ê×¼¡£DOMÊÇÒÔ²ã´Î½á¹¹×éÖ¯µÄ½Úµã»òÐÅϢƬ¶ÏµÄ¼¯ºÏ¡£Õâ¸ö²ã´Î½á¹¹ÔÊÐí¿ª·¢ÈËÔ±ÔÚÊ÷ÖÐѰÕÒÌØ¶¨ÐÅÏ¢¡£·ÖÎö¸Ã½á¹¹Í¨³£ÐèÒª¼ÓÔØÕû¸öÎĵµ ......

JAVA AJAX½Ì³ÌµÚËÄÕ—AJAXºÍMVCµÄ¼òµ¥½áºÏ

 ÕâÀïÎÒÃÇÔÙÀí½âÁËAJAXºó£¬¿ªÊ¼À´ÓÃʵÀý¸ÐÊÜAJAXµÄÁ¦Á¿¡£
½ñÌìÎÒ×îºóҪʵÏÖµÄЧ¹û£¬µ±Êó±ê·Åµ½Í¼Æ¬ÉÏʱ»á¸ù¾Ý£¬»á°ÑÊý¾Ý¿â¿âÀïµÄÊý¾Ý¶Á³ö£¬Í¨¹ýÏÔʾ¿òÏÔʾ³öÀ´¡£Õâ¸öÔںܶàÍøÉÏÉ̵궼ÓÐÓõ½ÕâÀïЧ¹û£¬ÎÒÃÇÕâÀïÓÃAJAXÀ´ÊµÏÖÕâ¸öЧ¹û¡£Õâ¸öʵÀýÀï½áºÏÁËMySql¡¢Servlet»¹ÓÐJs£¬ÀíÂÛÐÔºÜÉÙ£¬µ«Í¨¹ýʵ¼ùÀ´¸ÐÊÜÀíÂÛ֪ʶ¡£
......

jsp,java±àÂëÔ­Àí

Îļþ´ò¿ªÊ±ºòÊÇͨ¹ýÎļþÍ·À´È·¶¨ÎļþµÄ±àÂë
StreamReader   sr=new   StreamReader(@"F:\cym\temp\1.txt");  
  sr.CurrentEncoding   //·µ»Ø±àÂë
ÊÀ½çÉϵĸ÷µØÇø¶¼Óб¾µØµÄÓïÑÔ¡£µØÇø²îÒìÖ±½Óµ¼ÖÂÁËÓïÑÔ»·¾³µÄ²îÒì¡£ÔÚ¿ª·¢Ò»¸ö¹ú¼Ê»¯³ÌÐòµÄ¹ý³ÌÖУ¬´¦ÀíÓïÑÔÎ ......

ÿ¸öÏîÄ¿ÖУ¬Äã²»µÃ²»ÖªµÄ11¸öJavaµÚÈý·½Àà¿â

JavaµÚÈý·½library ecosystemÊÇÒ»¸öºÜ¹ãÀ«µÄ·¶³ë¡£²»¾ÃǰÓÐÈË׫ÎÄ£ºÃ¿¸öÏîÄ¿ÖУ¬Äã±ØÐëÖªµÀµÄ11¸öJavaµÚÈý·½Àà¿â¡£
µ¥Ôª²âÊÔ
1.DBUnit
DBunitÊÇÒ»¸ö»ùÓÚjunitÀ©Õ¹µÄÊý¾Ý¿â²âÊÔ¿ò¼Ü¡£ËüÌṩÁË´óÁ¿µÄÀà¶ÔÓëÊý¾Ý¿âÏà¹ØµÄ²Ù×÷½øÐÐÁ˳éÏóºÍ·â×°¡£
2.MOckito
MockitoÊÇÒ»¸öÕë¶ÔJavaµÄmocking¿ò¼Ü¡£Äã¿ÉÒÔʹÓüò½àµÄAPI±àд³ö ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ