import java.util.List;
import java.util.Map;
public class TEst {
public static void main(String[] args) {
Map<String,String> map=new HashMap<String,String>();
for(int i=0;i<10;i++){
map.put(i+"", i+"");
}
List<String> info=getInfo(map);
for(String s:info){
System.out.println(s);
}
}
public static List<String> getInfo(Map<String,String> map){
List list = new ArrayList();
Iterator iter = map.entrySet().iterator(); // 获得map的Iterator
while (iter.hasNext()) {
Map.Entry entry = (Map.Entry) iter.next();
list.add(entry.getKey());
}
return list;
}
}