Java tutorial
//package com.java2s; import java.util.Collection; import java.util.Map; public class Main { public static void rename(Collection<Map<String, Object>> collection, Map<String, String> renames) { for (Map<String, Object> map : collection) { Object obj; for (String originalName : renames.keySet()) { if (map.containsKey(originalName)) { obj = map.get(originalName); //Must remove first then added after map.remove(originalName); map.put(renames.get(originalName), obj); } } } } }