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標(biāo)題:
HASHMAP按KEY排序
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作者:
rcymonkey
時間:
2007-12-03 09:00
標(biāo)題:
HASHMAP按KEY排序
Map hashMap = new HashMap();
List arrayList = new ArrayList(hashMap.entrySet());
Collections.sort(arrayList, new Comparator() {
public int compare(Object o1, Object o2) {
Map.Entry obj1 = (Map.Entry) o1;
Map.Entry obj2 = (Map.Entry) o2;
return (obj1.getKey()).toString().compareTo(obj2.getKey());
}
});
// 將HASHMAP中的數(shù)據(jù)排序-------------------------------------------
for (Iterator iter = arrayList.iterator(); iter.hasNext();) {
Map.Entry entry = (Map.Entry) iter.next();
String key = (String)entry.getKey();
..........
}
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