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public static void main(String[] args) {
// TODO Auto-generated method stub
ArrayList<HashMap<String, String>> maplst = new ArrayList<HashMap<String,String>>();
ArrayList<HashMap<String, String>> returnmaplst = new ArrayList<HashMap<String,String>>();
HashMap<String,String> map = new HashMap<String,String>();
map.put("id", "123");
map.put("name", "345");
HashMap<String,String> map2 = new HashMap<String,String>();
map2.put("id", "555");
map2.put("name", "666");
maplst.add(map);
maplst.add(map2);
for(int i = 0;i<maplst.size();i++)
{
HashMap<String,String> curmap = maplst.get(i);
String id = curmap.get("id");
String name = curmap.get("name");
HashMap<String,String> newmap = new HashMap<String,String>();
newmap.put("mapp.id", id);
newmap.put("um.name", name);
returnmaplst.add(newmap);
}
System.out.println("maplst:"+maplst);
System.out.println("returnmaplst:"+returnmaplst);
}