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39.дÈëXMLÊý¾Ý¿â
//import java.io.*;
//import javax.xml.parsers.*;
//import org.xml.sax.*;
//import org.w3c.dom.*;
//import javax.xml.transform.*;
//import javax.xml.transform.dom.*;
//import javax.xml.transform.stream.*;
private Document document;
private Element node;
File xml_file=new File(%%1);
DocumentBuilderFactory factory=DocumentBuilderFactory.newInstance();
try {
DocumentBuilder builder=factory.newDocumentBuilder();
document=builder.parse(xml_file);
} catch(Exception e) {
e.printStackTrace();
}
String subNodeTag=%%2;
Element rootNode=document.getDocumentElement();
//%%2="serverList" //%%4="id" //%%6="port"
//%%3="server" //%%5="ipaddr"
NodeList nlist=rootNode.getElementByTagName(subNodeTag);
node=document.createElement(%%3);
node.setAttribute(%%4,nlist.getLength()+1).toString());
node.appendChild(document.createTextNode("\n");
Element ipNode=document.createElement(%%5);
ipNode.appendChild(document.createTextNode(%%8));
node.appendChild(ipNode);
node.appendChild(document,createTextNode("\n");
Element port=document.createElement(%%6);
port.appendChild(document.createTextNode(%%9));
node.appendChild(port);
node.appendChild(document,createTextNode("\n");
nlist.appendChild(node);
TransformerFactory tFactory=TransformerFactory.newInstance();
Transformer transformer=null;
try {
transformer=tFactory.newTransformer();
DOMSource source=new DOMSource(document);
StreamResult result=new StreamResult(xml_file);
transformer.transform(source,result);
} catch(Exception e) {
e.printStackTrace();

40.ZIPѹËõÎļþ
//import java.io.*;
//import java.util.zip.*;
//´´½¨ÎļþÊäÈëÁ÷¶ÔÏó
FileInputStream fis=new FileInputStream(%%1);
//´´½¨ÎļþÊä³öÁ÷¶ÔÏó
FileOutputStream fo


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Ctrl+D: ɾ³ýµ±Ç°ÐÐ
Ctrl+Alt+↓ ¸´ÖƵ±Ç°Ðе½ÏÂÒ»ÐÐ(¸´ÖÆÔö¼Ó)
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Alt+↓ µ±Ç°ÐкÍÏÂÃæÒ»Ðн»»¥Î»ÖÃ(ÌØ±ðʵÓÃ,¿ÉÒÔʡȥÏȼôÇÐ,ÔÙÕ³ÌùÁË)
Alt+↑ µ±Ç°ÐкÍÉÏÃæÒ»Ðн»»¥Î»ÖÃ(ͬÉÏ)
Alt+← ǰһ¸ö±à¼­µ ......

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¶ÔÓÚ Java 1.2£¬ÄúÖ»ÐèÓÃ
Authenticator.setDefault() °²×°Ò»¸ö Authenticator¡£ÕâÑù£¬µ±ÐèÒªÈÏ֤ʱ£¬ÒѰ²×°µÄ Authenticator µÄ
getPasswordAuthentication() ·½·¨¾Í»á±»µ÷Óã¬È»ºóÄú¾Í¿ÉÒÔÓÃÊʵ±µÄÓû§ÃûºÍ¿ÚÁîÀ´ÉèÖà PasswordAuthentication ʵÀý¡£¾ÍÕâô¼òµ¥¡£ 
 
package
cn.arthurs.web;
import ja ......

java BigdecimalµÄÓ¦ÓÃ

import java.io.*;
import java.math.*;
import java.util.*;
public class Main
{
    public static void main(String[] args)
    {
        Scanner cin=new Scanner(System.in);
        BigDecimal a; ......

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11.дÈëÊôÐÔ
//import java.io.*;
File filereadonly=new File(%%1);
try {
boolean b=filereadonly.setReadOnly();
}
catch (Exception e) {
System.out.println("¾Ü¾øÐ´·ÃÎÊ£º"+e.printStackTrace());

12.ö¾ÙÒ»¸öÎļþ¼ÐÖеÄËùÓÐÎļþ
//import  ......

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16.ÒÆ¶¯Ò»¸öÎļþ¼ÐÏÂËùÓеÄÎļþ¼Ðµ½ÁíÒ»¸öĿ¼ÏÂ
//import java.io.*;
//import java.util.*;
File movefolders=new File(%%1);
File[] movefoldersList=movefolders.listFiles();
for(int k=0;k<movefoldersList.length;k++){
if(movefoldersList[k].isDirectory()){
Arra ......
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