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

java³£ÓÃʵÓÃÀàѧϰ11.29

ÏÖÔÚ ËùÓÃJava°æ±¾,DateÀ๹Ôì·½·¨Date(0)µÄʱ¼ä²»ÊÇThu Jan 01 01:00:00 GMT 1970ÁË£¬¶øÊÇThu Jan 01 08:00:00 CST 1970¡££¨ 1970 Äê1 ÔÂ1 ÈÕ8ʱ0·Ö0Ãë ÐÇÆÚ4£©
     Ϊʲô Date b1=new Date(623289600000); ²»¿ÉÒÔ£¬ÏÂÃæµÄÈ´¿ÉÒÔÄØ£¿
long a=623289600000L;
   Date b1=new Date(a); ÒªÔÚ³¤Êý×ÖºóÃæ¼Ó¸öL²ÅÐÐ


Ïà¹ØÎĵµ£º

Java°æ½«EXCEL±íÊý¾Ýµ¼Èëµ½Êý¾Ý¿âÖÐ

      ¿ÉÄܺܶ࿪·¢Õß»áÃæ¶Ô¿Í»§ÕâÑùµÄÐèÇó£¬ÔÚδʹÓÃϵͳ֮ǰ£¬ËûÃǺܶàÊý¾Ý¶¼ÊDZ£´æÔÚWord»òÕßExcelµÈһЩµç×Ó±í¸ñÖУ¬ÏÖÔÚËûÃÇÐèÒª½«Ô­À´µÄÊý¾Ý×Ô¶¯µ¼È뵽ϵͳÖÐÈ¥£¬¶ø²»ÊÇÒ»ÌõÒ»ÌõµØÊÖ¹¤Â¼Èë¡£ÎÒ¾ÍÅöµ½ÁËÕâÑùµÄÐèÇ󣬾­¹ýÒ»·¬ÕÛÌÚÖ®ºó£¬ÖÕÓÚʵÏÖÁË£¬ÎÒÊDzÉÓõÚÈý·½¿Ø¼þJXLʵÏֵģ¬Ô­ÀíÊDZȽϼ ......

±¾µØÎı¾Ë÷Òý¼°javaµÄHashMapʵÏÖ

Õâ¸öѧÆÚµÄÐÅÏ¢¼ìË÷¿ÎÒª×öÒ»¸ö´óµÄ×÷Òµ£¬Æäʵ¾ÍÊÇÏ൱ÓÚÒ»¸öËÑË÷ÒýÇæ£¬µ«ÊÇÊÇ»ùÓÚ±¾µØÎı¾ÎļþµÄ¼ìË÷£¬²»ÐèÒª°ÇÍøÒ³£¬Ò²²»ÄÜʹÓÃLucence»òLemurµÈÇ¿´óµÄµÚÈý·½¿ªÔ´Èí¼þ£¬ÒªÈ«²¿×Ô¼ºÍê³É¡£
Ҫ˵Ë÷Òýµ¹ÊÇÊ®·Ö¼òµ¥£¬¾ÍÊǵ¹ÅŶøÒÑ£¬²¢Ã»ÓÐʲô¸´ÔÓ£¬¶øÇÒµÚÒ»°æµÄ×÷ÒµÒªÇóÖ»ÒªÒÔ×ÖΪË÷Òý¼´¿É£¬¶øÇÒ²»ÐèÒª¶Ô½á¹û½øÐÐÅÅÐòºÍ¸ßÁÁÏÔ ......

Ò»µÀÌ⣬±æJavaʵÁ¦

Ò»µÀÌ⣬±æJavaʵÁ¦
                  ÕâÀïÓÐÒ»µÀ¹ØÓÚJavaµÄ»ù´¡µÄ²»ÄÜÔÙ»ù´¡µÄÌ⣬¸÷λѧJavaµÄ¿´¿Í¿ÉÒÔ×ÁÄ¥×ÁÄ¥£¬¿´Êä³öʲô£¬ÎªÊ²Ã´¡£
         Èç¹û¿´¿ÍÄÜÕýÈ·»Ø´ð¸ÃÎÊÌ⣬²¢¸ø³öÀíÓÉ£¬ËµÃ÷¿´¹Ù¶ÔJavaµÄÀí½âÒ²ÒÑ´ïµ½Ò»¶ ......

Java SE ¶à̬

/*¶à̬ʾÀý*/
package demo;
class AA {
 public void f(){
  System.out.println("f in AA");
 }
}
class BB extends AA{
 public void f(){
  System.out.println("f in BB");
 }
 
}
public class Test_Dt {
 public static void main(String[] args) ......

ÓÃjavaʵÏֵĺ£Ã÷Âë¼°ÑéÖ¤³ö´íλ

Ö»ÊÇ×î¼òµ¥µÄʵÏÖ£¬¿ÉÔÚÆä»ù´¡ÉÏʵÏÖÆäËû¹¦ÄÜ¡£
import java.util.Scanner;
public class Ham {
 
 Scanner enter=new Scanner(System.in);
 String s_data;           //ÊäÈëµÄ×Ö·û´®ÀàÐ͵ÄÊý¾Ý
 int dlength;      ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ