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Map<String,String> map = new HashMap<String,String>();
//添加元素...
Set<Map.Entry<String,String>> entrySet = map.entrySet();
Iterator<Map.Entry<String,String>> it = entrySet.iterator();
while(it.hasNext())
{
Map.Entry<String,String> me = it.next();
String key = me.getKey();
String value = me.getValue();
System.out.println(key+":"+value);
}