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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>¹þÀï²¨ÌØ</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
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Éèint arr[]={6,7,8,9,10};
int *ptr=arr;
*(ptr++)+=123;
printf(£¢%d,%d£¢,*ptr,*(++ptr));
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Windows C ³ÌÐòÉè¼ÆÈëÃÅÓëÌá¸ß
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Java¿ÉÒÔÖ±½Óµ÷ÓÃLinuxÃüÁÐÎʽÈçÏ£º
 Runtime.getRuntime().exec(command)
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 Runtime.getRuntime().exec("ls");
 µ«ÊÇÕâÑùÖ´ÐÐʱûÓÐÈκÎÊä³ö£¬Ô­Òò£º 
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