javaÎÊÌâ - Java / ·Ç¼¼ÊõÇø
javaÖÐÈçºÎʹ²úÉúµÄËæ»úÊý²»Öظ´£¿
Äã¿ÉÒÔÈ¥µôÖظ´£¬µ«ÊDz»Äܱ£Ö¤²»Öظ´
set
Âé·³Äú˵Ïêϸµã?ÎÒÊǸö³õѧÕß¡£
RandomÀàÉú³ÉÊý×ֵĻ°£¬µÃ×Ô¼ºÅжÏ
°Ñ²úÉúµÄËæ»úÊý·Åµ½Ò»¸öListÀïÃ棬²úÉúÒ»¸ö¾ÍÅжÏÒ»ÏÂListÀïÃæÓÐûÓУ¬ÓоͲúÉúÏÂÒ»¸ö£¬Ã»ÓоͷŽøÈ¥
Java code:
Set<Integer> set = new HashSet<Integer>();
Random rdm = new Random();
//ÐèÒªÉú³É¼¸¸öÊý£¬¾ÍÉèÖü¸£¬ÕâÀïÉú³É5¸ö
while (set.size() < 5) {
set.add(rdm.nextInt());
}
System.out.println(set);
Ïà¹ØÎÊ´ð£º
ÎÒJSPµÄÒ³ÃæÊÇ£º
<%@ page language="java" contentType="text/html; charset=gb2312"
%>
<script>
function Save(){
xmlHttp=GetXmlHttpObject()
if(xmlHttp==nul ......
ÌâÄ¿£º
ÓÐ1,2,3£¬4,5,6Áù¸öÊý×ÖÅÅÐò£¬ÓÃjava³ÌÐò¼ÆËã³öÅÅÐòµÄÖÖÀà¡£
ÒªÇó£ºÒ»£¬ÒÔ4¿ªÍ·
¶þ£¬2,3²»ÄÜÏàÁÚ
Èý£¬²»ÄÜÒÔ5¿ªÍ·
Ï£Íû´ó¼ÒÄܼ´ ......
ÔÚJSPÒ³ÃæÓÐÒ»¸ö<input type="hidden" name="index" value="0">/>¿Ø¼þ
µ±ÎÒÓÃÏÂÃæµÄJavaScriptº¯Êý¸Ä±äÆävalueµÄÖµµÄʱºò Èç¹ûÂú×ãÌõ¼þ£¨¼´i>=3µÄʱºò£©ÎªÊ²Ã´valueµÄ ......
ÇëÎʸ÷λ¸ç¸ç½ã½ã£¬ÈçºÎÔËÓÃÏֳɵÄÄ£°åÀ´ÖÆ×÷ƯÁÁµÄJSPÍøҳѽ,»ØÕßÓзÖ!
×Ô¼º¶¥Ï£¬×ÜÓиßÊÖ°É,ÆÚ´ýÖÐ......
Èç¹ûÖ±½ÓÒýÓýøÈ¥
¿ÉÒÔÖ±½ÓÓÃjspµÄÖ¸ÁҲ¿ÉÒÔÓÃfreemarkÒýÓ㬼ǵøø·Ö
лл¸÷λÁË£¬¿´À´Î ......