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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£¬´ÓÖÐÈ¡µÃkey ºÍvalue
JDK1.5
Map m = new HashMap();
for (Object o : map.keySet()) {
map.get(o);
}


JDK1.4
Map map = new HashMap() ;

Iterator it = map.entrySet().iterator() ;
while (it.hasNext())
{
Map.Entry entry = (Map.Entry) it.next() ;
Object key = entry.getKey() ;
Object value = entry.getValue() ;
}



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 create PROCEDURE pagelist
@tablename nvarchar(50),
@fieldname nvarchar(50)='*',         
@pagesize int output,--ÿҳÏÔʾ¼Ç¼ÌõÊý
@currentpage int output,--µÚ¼¸Ò³
@orderid nvarchar(50),--Ö÷¼üÅÅÐò
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javaʹÓÃrocksawºÍvserv tcpipʵÏÖ»ùÓÚICMPµÄPing¹¦ÄÜ

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 1.  rocksaw-1.0.0-src.tar.gz
 2.  vserv-tcpip-0.9.2-src.tar.gz
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 1.  build vserv-tcpip-0.9.2-src
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JavaÅàѵ,ÎÒΪʲôѡÔñ´«ÖDz¥¿Í

       ´ó¼ÒºÃ,ÎÒÊÇ´«ÖDz¥¿Í2009Äê12ÔÂ20ºÅ³å´Ì°àѧԱ.ÔÚ½ÓÏÂÀ´µÄ¼¸¸öÔÂÀïÎÒ½«ÕæÊµµÄ¼Í¼ÔÚ´«ÖDz¥¿ÍµÄѧϰ¾­Àú.Ò»ÊǶÔ×Ô¼ºÑ§Ï°µÄ×ܽáºÍ¼Í¼;¶þÊÇÕæÊµµÄ·´Ó¦ÔÚ´«ÖDz¥¿Íѧϰ¾­ÀúºÍ¹ý³Ì.
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Java synchronizedÓ÷¨

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