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

java¶àÏß³ÌÀý×Ó

ÀïÎÒÃÇ×öÒ»¸öÍêÕûµÄÀý×ÓÀ´ËµÃ÷Ï̲߳úÉúµÄ·½Ê½²»Í¬¶øÉú³ÉµÄÏ̵߳ÄÇø±ð£º
package debug;import java.io.*;import java.lang.Thread;class MyThread extends Thread{  public int x = 0;  public void run(){    System.out.println(++x);  }}class R implements Runnable{  private int x = 0;  public void run(){    System.out.println(++x);  }}public class Test {  public static void main(String[] args) throws Exception{        for(int i=0;i<10;i++){      Thread t = new MyThread();      t.start();    }    Thread.sleep(10000);//ÈÃÉÏÃæµÄÏß³ÌÔËÐÐÍê³É    R r = new R();    for(int i=0;i<10;i++){      Thread t = new Thread(r);      t.start();    }  }}¡¡¡¡ÉÏÃæ10¸öÏ̶߳ÔÏó²úÉúµÄ10¸öÏß³ÌÔËÐÐʱ´òÓ¡ÁË10´Î1¡£ÏÂÃæ10¸öÏ̶߳ÔÏó²úÉúµÄ10¸öÏß³ÌÔËÐÐʱ´òÓ¡ÁË1µ½10¡£ÎÒÃǰÑÏÂÃæµÄ10¸öÏ̳߳ÆÎªÍ¬Ò»ÊµÀý(RunnableʵÀý)µÄ¶à¸öÏ̡߳£
¡¡¡¡Ï½ÚÎÒÃǽ«Ñо¿Ï̶߳ÔÏó·½·¨£¬»¹ÊÇÄǾ仰£¬Ò»°ãÎĵµÖпÉÒÔ¶Áµ½µÄÄÚÈÝÎÒ²»»á½éÉÜÌ«¶à
Çë´ó¼Ò×Ô¼ºÁ˽⡣
Ï̶߳ÔÏóµÄ¼¸¸öÖØÒªµÄ·½·¨
¡¡¡¡¾¡¹ÜÏ̶߳ÔÏóµÄ³£Ó÷½·¨¿ÉÒÔͨ¹ýAPIÎĵµÀ´Á˽â,µ«ÊÇÓкܶ෽·¨½ö½ö´ÓAPI˵Ã÷ÊÇÎÞ·¨ÏêϸÁ˽âµÄ¡£
¡¡¡¡±¾À´´òËãÓÃÒ»½ÚµÄƪ·ùÀ´°ÑÏ̷߳½·¨ÖÐÒ»Ð©ÖØÒªµÄ֪ʶ˵Íê,µ«ÕâÑùÏÂÀ´¹À¼ÆÒªºÜ³£µÄƪ·ù,¿ÉÄÜÒªÓúü¸½Ú²ÅÄÜ˵°ÑºÍÏ̷߳½·¨Ïà¹ØµÄÒ»Ð©ÖØÒªµÄ֪ʶ˵Íê¡£
¡¡¡¡Ê×ÏÈÎÒÃǽӻù´¡Æª(¶þ)À´ËµÃ÷start()·½·¨¡£
¡¡¡¡Ò»¸öÏ̶߳ÔÏóÉú³Éºó,Èç¹ûÒª²úÉúÒ»¸öÖ´ÐеÄÏß³Ì,¾ÍÒ»¶¨Òªµ÷ÓÃËüµÄstart()·½·¨.ÔÚ½éÉÜÕâ¸ö·½·¨Ê±²»µÃ²»Í¬Ê±ËµÃ÷run·½·¨.ÆäʵÏß³Ì¶Ô ÏóµÄrun·½·¨ÍêÈ«ÊÇÒ»¸ö½Ó¿Ú»Øµ÷·½·¨,ËüÊÇÄãÕâ¸öÏ̶߳ÔÏóÒªÍê³ÉµÄ¾ßÌåÂß¼­.¼òµ¥ËµÄãÒª×öʲô¾ÍÄãÔÚrunÖÐÍê³É,¶øÈçºÎ×ö,ʲôʱºò×ö¾Í²»ÐèÒªÄã¿ØÖÆ ÁË,ÄãÖ»Òªµ÷ÓÃstart()·½·¨,JVM¾Í»á¹ÜÀíÕâ¸öÏ̶߳ÔÏóÈÃËü²úÉúÒ»¸öÏ̲߳¢×¢²áµ½Ï̴߳¦ÀíϵͳÖС£
¡¡¡¡´Ó±íÃæÉÏ¿´,start()·½·¨µ÷ÓÃÁËrun()·½·¨,ÊÂʵÉÏ,start()·½·¨²¢Ã»ÓÐÖ±½Óµ÷ÓÃrun·½·¨.ÔÚJDK1.5ÒÔǰ start()·½·¨ÊDZ¾µØ·½·¨,ËüÈçºÎ×îÖÕµ÷ÓÃrun·½·¨ÒѾ­²»ÊÇJAVA³ÌÐòÔ±ËùÄ


Ïà¹ØÎĵµ£º

javaÈëÃÅ

 Javaѧϰ´ÓÈëÃŵ½¾«Í¨ 
Ò»¡¢ JDK (Java Development Kit) 
JDKÊÇÕû¸öJavaµÄºËÐÄ£¬°üÀ¨ÁËJavaÔËÐл·¾³£¨Java Runtime Envirnment£©£¬Ò»¶ÑJava¹¤¾ßºÍJava»ù´¡µÄÀà¿â(rt.jar)¡£²»ÂÛʲôJavaÓ¦Ó÷þÎñÆ÷ʵÖʶ¼ÊÇÄÚÖÃÁËij¸ö°æ±¾µÄJDK¡£Òò´ËÕÆÎÕJDKÊÇѧºÃJavaµÄµÚÒ»²½¡£×îÖ÷Á÷µÄJ ......

sql 2005 ´æ´¢¹ý³Ì·ÖÒ³ java ´úÂë

 create PROCEDURE pagelist
@tablename nvarchar(50),
@fieldname nvarchar(50)='*',         
@pagesize int output,--ÿҳÏÔʾ¼Ç¼ÌõÊý
@currentpage int output,--µÚ¼¸Ò³
@orderid nvarchar(50),--Ö÷¼üÅÅÐò
@sort int,--ÅÅÐò·½Ê½£¬1±íʾÉýÐò£¬0±íʾ½µÐòÅÅÁÐ ......

JAVA xml LSParserFilterµÄÓ¦ÓÃ

LSParserFilter---ÔØÈëÓë±£´æ
Ó¦ÓÃorg.w3c.dom ʵÏÖXMLµÄÔØÈëÓë±£´æÊµÀý
/**
* ʵÏÖDOM3µÄLS(Load & Save)¹¦ÄÜ
*
* @author S.Well
* @see org.w3c.dom.DOMErrorHandler
* @see org.w3c.dom.ls.LSParserFilter
*/
public class XML_LS implements DOMErrorHandler, LSParserFilter {
private static ......

javaðÅÝÅÅÐòËã·¨

package ch01;
 2
 3public class BubbleSort
 4{
 5    
 6    
 7    public static void main(String[] args){
 8        int[]& ......

java ÖÐÓû§·ÃÎÊȨÏÞ£¨spring ȨÏÞ¹ÜÀí£©

// AuthorityInterceptor.java Îļþ
package com.aptech.jb.epet.web.authority;
import javax.servlet.http.HttpServletRequest;
import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;
import org.apache.struts.action.ActionMapping;
public class Authority ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ