Java tutorial
//package com.java2s; /* * This software is in the public domain under CC0 1.0 Universal plus a * Grant of Patent License. * * To the extent possible under law, the author(s) have dedicated all * copyright and related and neighboring rights to this software to the * public domain worldwide. This software is distributed without any * warranty. * * You should have received a copy of the CC0 Public Domain Dedication * along with this software (see the LICENSE.md file). If not, see * <http://creativecommons.org/publicdomain/zero/1.0/>. */ import java.util.*; public class Main { public static boolean mapMatchesFields(Map<String, Object> baseMap, Map<String, Object> compareMap) { for (Map.Entry<String, Object> entry : compareMap.entrySet()) { Object compareObj = compareMap.get(entry.getKey()); Object baseObj = baseMap.get(entry.getKey()); if (compareObj == null) { if (baseObj != null) return false; } else { if (!compareObj.equals(baseObj)) return false; } } return true; } }