对hashmap按值排序怎么做？

问题：对hashmap按值排序怎么做？

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方法1、

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?public static void main(String[] args){
??Map map=new HashMap();
??map.put("d", 761);
??map.put("g", 7);
??map.put("a", 7612);
??map.put("c", 34);
??
??int value=0;
???? String maxKey = null;
???? List list=new ArrayList();
????
??Iterator ite=map.entrySet().iterator();
??while(ite.hasNext()){
?????????? Map.Entry entry =(Map.Entry)ite.next();
??????????? value = Integer.parseInt(entry.getValue().toString());
??????????? list.add(entry.getValue());
??????????? Collections.sort(list);
???? }
???? ?for(int i=0;i<list.size();i++){
???System.out.println(list.get(i));
??}
?}