MapUtils.java

package com.kth.baasio.utils;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class MapUtils {

    public static <T> Map<String, T> newMapWithoutKeys(Map<String, T> map, List<String> keys) {
        Map<String, T> newMap = null;
        if (map != null) {
            newMap = new HashMap<String, T>(map);
        } else {
            newMap = new HashMap<String, T>();
        }
        for (String key : keys) {
            newMap.remove(key);
        }
        return newMap;
    }

}