Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

ͨ¹ýjavaºÍsnmp»ñÈ¡±¾»úµÄÍø¹ØµØÖ·

   ±ÏÒµÉè¼ÆÓöµ½Ò»¸öÎÊÌ⣬Èç¹û²ÅÄÜ»ñµÃ±¾»úµÄÍø¹ØµØÖ·£¬ÎÊÁ˰ٶȺÍgoogle£¬ËƺõÕÒ²»µ½´ð°¸£¬ÓÚÊÇÔÚÂÛ̳Àï·¢ÌûÎÊÀÏÄñÃÇ£¬ÔÚËûÃǵÄÌáʾÏ£¬ÊµÏÖÁË»ñÈ¡Íø¹ØµÄµØÖ·£¬ÕâÀïÖ÷ÒªÊÇͨ¹ýsnmpЭÒé¶ÁÈ¡±¾»úµÄmib¿â£¬ÒòΪOIDΪ1.3.6.1.2.1.4.21.1.7¶ÔÓ¦µÄÊÇipRouteNextHop£¬Ò²¾ÍÊÇÏÂÒ»ÌøÂ·ÓÉ£¬¶Ô±¾»úÀ´Ëµ¾Í˵ĬÈÏÍø¹ØÁË£¬ÕâÀïÓõ½ÁËsnmp4jÕâ¸ö°ü£¬ÓÃÓÚʵÏÖsnmpЭÒéµÄÏà¹Ø²Ù×÷£¬Ö®Ç°µÄ²©ÎÄÒ²ÓнéÉÜsnmp4jµÄ¼òµ¥Ê¹Óã¬ÏÂÃæ¾ÍÉÏ´úÂëÁË£º
//ʹÓõ½µÄÀà
import java.io.IOException;
import java.net.InetAddress;
import java.net.UnknownHostException;
import org.snmp4j.CommunityTarget;
import org.snmp4j.PDU;
import org.snmp4j.Snmp;
import org.snmp4j.TransportMapping;
import org.snmp4j.event.ResponseEvent;
import org.snmp4j.mp.SnmpConstants;
import org.snmp4j.smi.Address;
import org.snmp4j.smi.GenericAddress;
import org.snmp4j.smi.OID;
import org.snmp4j.smi.OctetString;
import org.snmp4j.smi.VariableBinding;
import org.snmp4j.transport.DefaultUdpTransportMapping;
//ÏÂÃæÖ»ÊÇÒ»¸ö·½·¨
public String getIpOfGateway(){
String gatewayIpString=null; //Íø¹ØipµØÖ·ÊÇÕâ¸ö×Ö·û´®µÄ×Ó´®
String gatewayIp=null; // ÕâÊÇ´ú±íÍø¹Øip
try {

/**
* Set properties of target
*/
CommunityTarget localhost = new CommunityTarget();
Address address = GenericAddress.parse("udp:127.0.0.1/161");
localhost.setAddress(address);
localhost.setCommunity(new OctetString("public"));
localhost.setRetries(2);
localhost.setTimeout(5*60);
localhost.setVersion(SnmpConstants.version2c);
/**
* Set protocols of UDP and SNMP
*/
TransportMapping transport = new DefaultUdpTransportMapping();
transport.listen();
Snmp protocol = new Snmp(transport);
/**
* OID binding
*/
PDU requestPDU = new PDU();
requestPDU.ad


Ïà¹ØÎĵµ£º

JAVA¿ª·¢Õß×ȥµÄ20¸öÓ¢ÎÄÍøÕ¾

1.[http://www.javaalmanac.com] – Java¿ª·¢ÕßÄê¼øÒ»ÊéµÄÔÚÏß°æ±¾. ÒªÏë¿ìËٲ鵽ijÖÖJava¼¼ÇɵÄÓ÷¨¼°Ê¾Àý´úÂë, ÕâÊÇÒ»¸ö²»´íµÄÈ¥´¦.
2.[http://www.onjava.com] – O’ReillyµÄJavaÍøÕ¾. ÿÖܶ¼ÓÐÐÂÎÄÕÂ.
3.[http://java.sun.com] – ¹Ù·½µÄJava¿ª·¢ÕßÍøÕ¾ – ÿÖܶ¼ÓÐÐÂÎÄÕ·¢±í.
4.[http:/ ......

JAVA£º°²È«Ö¤Êé ¹«Ô¿¼ÓÃÜ£¬Ë½Ô¿½âÃÜʾÀý³ÌÐò


import java.io.FileInputStream;
import java.security.KeyStore;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.cert.Certificate;
import java.security.cert.CertificateFactory;
import javax.crypto.Cipher;
// ¹«Ô¿¼ÓÃÜ£¬Ë½Ô¿½âÃÜʾÀý³ÌÐò
public class A {
& ......

¾ö²ßÊ÷C4.5Ëã·¨Java´úÂë

    - ¼ÓÈë²ËÄñÑ§Ï°Íø£¬»ñµÃÕ䲨×ÊÔ´

Java´úÂë Êý¾ÝÍÚ¾òÖоö²ßÊ÷C4.5Ô¤²âË㷨ʵÏÖ(°ë³ÉÆ·£¬»¹ÒªÐ´¹æÔòºó¼ôÖ¦¼°¶Ô·ÇÀëÉ¢Êý¾ÝÐÅÏ¢ÔöÒæ¼ÆËã) Java´úÂë package org.struct.decisiontree;   import java.util.ArrayList;   import java.util.Arrays; ......

µ¥Àýģʽ(Singleton) JavaʵÏÖ

    µ¥ÀýģʽµÄʵÏÖ·½Ê½ÓкܶàÖÖ£¬ÔÚÕâÀï½éÉÜ×î¼òµ¥µÄÁ½ÖÖ¡£
    µ¥ÀýģʽÄܹ»È·±£Ò»¸öÀàÖ»ÓÐÒ»¸öʵÀý£¨Õý³£Çé¿öÎÒÃÇ¿ÉÒÔnew³öÒ»¸öÀàµÄÎÞÊý¸öʵÀý£©£¬×ÔÐÐÌṩÕâ¸öʵÀý²¢ÏòÕû¸öϵͳÌṩÕâ¸öʵÀý¡£ÏÂÃæ½éÉܵ¥ÀýģʽµÄʵÏÖ·½·¨£º
    1. µ¥ÀýģʽÓÐÁ½ÖÖʵÏÖ·½Ê½£ºÒ»ÖÖÊǽ«Àൠ......

JAVAÖеĶàÏß³Ì

1¡¢ ÈÏʶThreadºÍRunnable
JavaÖÐʵÏÖ¶àÏß³ÌÓÐÁ½ÖÖ;¾¶£º¼Ì³ÐThreadÀà»òÕßʵÏÖRunnable½Ó¿Ú¡£RunnableÊǽӿڣ¬½¨ÒéÓýӿڵķ½Ê½Éú³ÉỊ̈߳¬ÒòΪ½Ó¿Ú¿ÉÒÔʵÏÖ¶à¼Ì³Ð£¬¿öÇÒRunnableÖ»ÓÐÒ»¸örun·½·¨£¬ºÜÊʺϼ̳С£ÔÚʹÓÃThreadµÄʱºòÖ»Ðè¼Ì³ÐThread£¬²¢ÇÒnewÒ»¸öʵÀý³öÀ´£¬µ÷ÓÃstart()·½·¨¼´¿ÉÒÔÆô¶¯Ò»¸öÏ̡߳£
Thread Test = ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ