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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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