JAVA±éÀúÒ»¸öÎļþ¼ÐÖеÄËùÓÐÎļþ
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import java.io.File;
import java.util.ArrayList;
public class FileTest {
private static ArrayList<String> filelist = new ArrayList<String>();
public static void main(String[] args) throws Exception {
String filePath = "E:\\Struts2";
getFiles(filePath);
}
/*
* ͨ¹ýµÝ¹éµÃµ½Ä³Ò»Â·¾¶ÏÂËùÓеÄĿ¼¼°ÆäÎļþ
*/
static void getFiles(String filePath){
File root = new File(filePath);
File[] files = root.listFiles();
for(File file:files){
if(file.isDirectory()){
/*
* µÝ¹éµ÷ÓÃ
*/
getFiles(file.getAbsolutePath());
filelist.add(file.getAbsolutePath());
System.out.println("ÏÔʾ"+filePath+"ÏÂËùÓÐ×ÓĿ¼¼°ÆäÎļþ"+file.getAbsolutePath());
}else{
System.out.println("ÏÔʾ"+filePath+"ÏÂËùÓÐ×ÓĿ¼"+file.getAbsolutePath());
}
}
}
}
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1¡¢ÔÚoracleµÄsys-sysdbaϵǽ
дһ¸öjava source³ÌÐòÁ´½Ósqlserver2005£º
create or replace and compile java source named test as
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
public class excutesql1
{
public static String entry ......
µÚÒ»£¬Ì¸Ì¸final, finally, finalizeµÄÇø±ð¡£
¡¡final ÓÃÓÚÉùÃ÷ÊôÐÔ£¬·½·¨ºÍÀ࣬·Ö±ð±íʾÊôÐÔ²»¿É±ä£¬·½·¨²»¿É¸²¸Ç£¬À಻¿É¼Ì³Ð¡£finallyÊÇÒì³£´¦ÀíÓï¾ä½á¹¹µÄÒ»²¿·Ö£¬±íʾ×ÜÊÇÖ´ÐС£finalizeÊÇ ObjectÀàµÄÒ»¸ö·½·¨£¬ÔÚÀ¬»øÊÕ¼¯Æ÷Ö´ÐеÄʱºò»áµ÷Óñ»»ØÊÕ¶ÔÏóµÄ´Ë·½·¨£¬¿ÉÒÔ¸²¸Ç´Ë·½·¨ÌṩÀ¬»øÊÕ¼¯Ê± ......
×Ô¶¨ÒåµÄKeyÀàÐèÒªÖØÔØequals, hashCodeº¯Êý¡£¡£
package com.albert.test;
import java.util.Vector;
import java.util.HashMap;
/**
* @author tough_guy
*
*/
//¶ÔÓÚ×Ô¶¨ÒåµÄkey£¬ ÐèÒªÖØÔØhashCodeº¯ÊýºÍequalsº¯Êý
class IPSegment
{
long ip_s;
long ip_e;
int p;
IPSegment Reset(long f ......
Ò».javaÀà
package com.java.test;
import org.w3c.dom.*;
import javax.xml.parsers.*;
import java.io.*;
public class JavaReadXml {
// Document¿ÉÒÔ¿´×÷ÊÇXMLÔÚÄÚ´æÖеÄÒ»¸ ......
XMLÎļþ book.xml
<book>
<person>
<first>Kiran</first>
<last>Pai</last>
<age>22</age>
</person>
<person>
<first>Bill</first>
<last>Gates</last>
<age>46</age>
</person>
<person>
&l ......