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

java ¼ÆÊ±Æ÷

class NewTask extends java.util.TimerTask{
   private  String HOUR_MASK = "0";
      private String MIN_MASK = "0";
      private String SEC_MASK = "0";
      private int hour;
   private int min;
   private int sec;
   private String s;
   private String m;
   private String h;
      public void run() {
       sec+=1;
       if(sec>59)
       {
        if(min==59)
        {
         //ÃëºÍ·Ö¶¼Îª59ʱ¼ÓһСʱ
         hour+=1;
         min=0;
        }
        else
        {
         //µ±·Ö²»Îª59ʱ
         min+=1;
        }
        sec=0;    
       }
        if(sec<10)
        {
          s=(SEC_MASK +  sec);
        }else
        {
         s=Integer.toString(sec);
        }
        if(min<10)
        {
          m=(MIN_MASK + min);
        }else
        {
         m=Integer.toString(min);
   


Ïà¹ØÎĵµ£º

Java ѧϰÔÓ̸

1£® ¹ØÓÚ¶¯Ì¬¼ÓÔØ»úÖÆ??
ѧϰJava±ÈC++¸üÈÝÒ×Àí½âOOPµÄ˼Ï룬±Ï¾¹C++»¹»ìºÏÁ˲»ÉÙÃæÏò¹ý³ÌµÄ³É·Ö¡£ºÜ¶àÈ˶¼Äܱ³³öÀ´JavaÓïÑÔµÄÌØµã£¬ËùνµÄ¶¯Ì¬¼ÓÔØ»úÖÆµÈµÈ¡£µ±È»¸ÅÄîÍùÍùÊÇÏȼÇס¶øºóÏû»¯µÄ£¬¿ÉÓжàÉÙÈËÕæÕýÈ¥Ìå»á¹ý¶¯Ì¬¼ÓÔØµÄ»úÖÆ£¬ÊÔͼȥѰÕÒ¹ýÆäÖеÄϸ½ÚÄØ?  Ìṩ´ó¼ÒÒ»¸ö·½·¨£º
ÔÚÃüÁîÐд°¿ÚÔËÐÐJava³ÌÐòµÄÊ ......

JavaÏ̵߳Äͬ²½

Ò»¡¢Í¬²½ÎÊÌâÌá³ö
 
Ï̵߳Äͬ²½ÊÇΪÁË·ÀÖ¹¶à¸öÏ̷߳ÃÎÊÒ»¸öÊý¾Ý¶ÔÏóʱ£¬¶ÔÊý¾ÝÔì³ÉµÄÆÆ»µ¡£
ÀýÈ磺Á½¸öÏß³ÌThreadA¡¢ThreadB¶¼²Ù×÷ͬһ¸ö¶ÔÏóFoo¶ÔÏ󣬲¢ÐÞ¸ÄFoo¶ÔÏóÉϵÄÊý¾Ý¡£
 
public class Foo {
    private int x = 100;
    public int getX() {
&nbs ......

javaÊý¾Ý¿âÉè¼ÆÖеÄ14¸ö¼¼ÇÉ

ÏÂÊöÊ®Ëĸö¼¼ÇÉ£¬ÊÇÐí¶àÈËÔÚ´óÁ¿µÄÊý¾Ý¿â·ÖÎöÓëÉè¼ÆÊµ¼ùÖУ¬Öð²½×ܽá³öÀ´µÄ¡£¶ÔÓÚÕâЩ¾­ÑéµÄÔËÓ㬶ÁÕß²»ÄÜÉú°ïÓ²Ì×£¬ËÀ¼ÇÓ²±³£¬¶øÒªÏû»¯Àí½â£¬ÊµÊÂÇóÊÇ£¬Áé»îÕÆÎÕ¡£²¢Öð²½×öµ½£ºÔÚÓ¦ÓÃÖз¢Õ¹£¬ÔÚ·¢Õ¹ÖÐÓ¦Óá£
      1. ԭʼµ¥¾ÝÓëʵÌåÖ®¼äµÄ¹ØÏµ
¡¡¡¡
      ¿ÉÒÔÊÇÒ»¶ÔÒ»¡¢Ò»¶Ô¶à¡¢¶à ......

javaÖÐmap¼¯ºÏµÄÓ÷¨


http://blog.csdn.net/ycyangcai/archive/2009/06/21/4285997.aspx
1.ÉùÃ÷Ò»¸ömap: Map map = new HashMap(); 
2.ÏòmapÖзÅÖµ,×¢Ò⣺mapÊÇkey-valueµÄÐÎʽ´æ·ÅµÄ.Èç:
     map.put("sa","dd");
3.´ÓmapÖÐȡֵ:String str = map.get("sa").toString();½á¹ûÊÇ:str = "dd";
4.±éÀúÒ»¸ömap£¬´Ó ......

javaµ÷ÓÃwindows API

ʹÓÃjinvokeµ÷ÓÃwindowsAPI¡£jnaʹÓñȽÏÂé·³£¬ÐèҪдc´úÂëºÍ²ÎÊýת»»£¬jinvokeµÄʹÓþÍÏñjdkÖеİüÒ»Ñù¡£
¹ÙÍøÊ¹Óòο¼£ºhttp://www.jinvoke.com/calling-the-win32-api-from-java
Ò»¸öµ¯³ö¿òµÄÀý×Ó£¨ÕâÖÖ´úÂëÓÃÓÚµ÷ÓÃÈκÎdll£¬²»Ö»ÊÇwindowsµÄ£¬Ò²¿ÉÒÔÊÇ×Ô¼ºÐ´µÄdll£©
import com.jinvoke.JInvoke;
import com.jinvok ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ