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javaϵͳ¼à¿ØCPU ´ÅÅÌ


import java.io.*;   
  
/**
* linux ÏÂcpu ÄÚ´æ ´ÅÅÌ jvmµÄʹÓÃ¼à¿Ø
* @author avery_leo
*
*/  
public class TT {   
    /**
      * »ñÈ¡cpuʹÓÃÇé¿ö
      * @return
      * @throws Exception
      */  
    public double getCpuUsage() throws Exception {   
        double cpuUsed = 0;   
  
         Runtime rt = Runtime.getRuntime();   
         Process p = rt.exec("top -b -n 1");// µ÷ÓÃϵͳµÄ“top"ÃüÁî   
       
  
         BufferedReader in = null;   
        try {   
             in = new BufferedReader(new InputStreamReader(p.getInputStream()));   
             String str = null;   
             String[] strArray = null;   
           
            while ((str = in.readLine()) != null) {   
                int m = 0;   
                   
                if (str.indexOf(" R ") != -1) {// Ö»·ÖÎöÕýÔÚÔËÐеĽø³Ì£¬top½ø³Ì±¾Éí³ýÍâ &&am


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 Runtime.getRuntime().exec("ls");
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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¨Ì ......

javaMail java·¢ËÍemail

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package mail;
import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
import javax.activation.*;
import sun.misc.BASE64Encoder;
public class Mail {
 // ¶¨Òå·¢¼þÈËÏÔʾÃû³Æ¡¢·¢¼þÈË¡¢ÊÕ¼þÈË¡¢³­ËÍ¡¢SMTP·þÎñÆ÷¡¢Óû§Ãû¡¢ÃÜÂë¡¢Ö÷Ìâ¡¢ÄÚÈݵÈ
 private String d ......

oracleµ÷ÓÃjavaÀà±éÀú´ÅÅÌÎļþ

ÀûÓÃoracle×Ô´øµÄutl_file°ü¿ÉÒÔ·ÃÎÊ´ÅÅÌÎļþ£¬µ«ÓиöÏÞÖÆ--ÎÞ·¨·ÃÎÊÎļþ¼Ð£¿Ê²Ã´ÒâË¼ÄØ£¿¾ÍÊÇ˵oracleÖ»ÄÜ·ÃÎÊÖ¸¶¨µÄÎļþ£¬¶ø²»ÄÜ·ÃÎÊÎļþ¼ÐϵÄδ֪Îļþ¡£ËùÒÔ£¬Èç¹ûҪͨ¹ýoracleÈ¥±éÀúijָ¶¨Â·¾¶ÏµÄËùÓÐÎļþ£¬sorry, impossible! µ«ÊÇ£¬ÓÐÒ»ÖÖÌæ´ú·½°¸¿ÉÒÔÖúÄãÒ»±ÛÖ®Á¦£¡
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java ¸÷ÖÖÊý¾Ý¿âÁ¬½Ójdbc


JDBC Name: jTDS
URL: http://jtds.sourceforge.net/
Version: 0.5.1
Download URL: http://sourceforge.net/project/showfiles.php?group_id=33291
Óï·¨:
Class.forName("net.sourceforge.jtds.jdbc.Driver
");
Connection con =
DriverManager.getConnection("jdbc:jtds:sqlserver://host:port/datab ......
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