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JAVA²Ù×÷XMLµÄÍêÕûÀý×Ó——W3C DOMƪ

ÕâÊÇÒ»¸öÓÃJAVA W3C DOM ½øÐÐXML²Ù×÷µÄÀý×Ó£¬°üº¬Á˲éѯ¡¢Ôö¼Ó¡¢Ð޸ġ¢É¾³ý¡¢±£´æµÄ»ù±¾²Ù×÷¡£½ÏÍêÕûµÄÃèÊöÁËÒ»¸öXMLµÄÕû¸ö²Ù×÷Á÷³Ì¡£ÊʺϸÕÈëÃÅJAVA XML²Ù×÷µÄÅóÓѲο¼ºÍѧϰ¡£
¼ÙÉèÓÐXMLÎļþ£ºtest1.xml
<?xml version="1.0" encoding="UTF-8"?>
<books>
 <book>
  <name>¹þÀﲨÌØ</name>
  <price>10</price>
  <memo>ÕâÊÇÒ»±¾ºÜºÃ¿´µÄÊé¡£</memo>
 </book>
 <book id="B02">
  <name>Èý¹úÑÝÒå</name>
  <price>10</price>
  <memo>ËÄ´óÃûÖøÖ®Ò»¡£</memo>
 </book>
 <book id="B03">
  <name>Ë®ä°</name>
  <price>6</price>
  <memo>ËÄ´óÃûÖøÖ®Ò»¡£</memo>
 </book>
 <book id="B04">
  <name>ºìÂ¥</name>
  <price>5</price>
  <memo>ËÄ´óÃûÖøÖ®Ò»¡£</memo>
 </book>
</books> 
ÏÂÃæÊÇΪTest.java
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import org.w3c.dom.*;
import org.xml.sax.SAXException;
import javax.xml.parsers.*;
import javax.xml.transform.*;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.*;
import javax.xml.xpath.*;
public class Test ...{
    public static void main(String[] args) ...{
        DocumentBuilderFactory factory=DocumentBuilderFactory.newInstance();
        Element theBook=null, theElem=null, root=null;
        try ...{
            factory.setIgnoringElementContentWhitespace(true);
           
            DocumentBuilder db=factory.newDocumentBuilder();
 


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(a) >>>ÓÒÒÆ£¬¸ßλÓÃ0Ìî³ä£»
int a = 14;
int b = 2;
System.out.println(a >>> b);// 3
int c = -14;
int d = 2;
System.out.println(c >>> d);// 1073741820
(b) >>·ûºÅλ²»±ä£¬ÆäËûλÓÒÒÆ£¬¸ßλÓÃ0Ìî³ä£¬Æä½á¹ûÓëa/2bÏàͬ£»
int a = 14;
int b = 2;
Sy ......

ʹÓÃdom4j¶ÁÈ¡xmlÎļþ

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reader_config.xml
<?xml version="1.0" encoding="UTF-8"?>
<config>
<db-info>
<driver-name>oracle.jdbc.driver.OracleDriver</driver-name>
<url>jdbc:oracle:thin:@192.168.1.100:1521:orcl</url> ......

Objective C 2.0 ÊôÐÔ(Property)

Ô­ÌûÒ»£ºhttp://blog.csdn.net/dotphoenix/archive/2009/05/20/4203075.aspx
Ô­Ìù¶þ£ºhttp://www.cocoachina.com/bbs/read.php?tid-8008.html
@property (²ÎÊý) ÀàÐÍ Ãû×Ö;
ÕâÀïµÄ²ÎÊýÖ÷Òª·ÖΪÈýÀࣺ¶ÁдÊôÐÔ£¨readwrite/readonly£©£¬setterÓïÒ⣨assign/retain/copy£©ÒÔ¼°atomicity£¨nonatomic£©¡£
assign/retain/copy ......

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¡¡¡¡1¡¢¿ÉÒÔ¿¼ÂÇÏÈѧϰC. 
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Javaµ÷ÓÃLinuxÃüÁî

Java¿ÉÒÔÖ±½Óµ÷ÓÃLinuxÃüÁÐÎʽÈçÏ£º
 Runtime.getRuntime().exec(command)
 ¾ÙÀý£ºÔËÐÐls,topÃüÁî¿ÉÒÔÕâÑù£º
 Runtime.getRuntime().exec("ls");
 µ«ÊÇÕâÑùÖ´ÐÐʱûÓÐÈκÎÊä³ö£¬Ô­Òò£º 
 µ÷ÓÃRuntime.exec·½·¨½«²úÉúÒ»¸ö±¾µØµÄ½ø³Ì,²¢·µ»ØÒ»¸öProcess×ÓÀàµÄʵÀý£¬
£¨×¢Ò⣺Runtim ......
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