/** * Check that the map contains the key * @param map Map to check * @param key Key to check for, may be null * @throws IllegalArgumentException If map is null or doesn't contain key */ public static final void containsKey(Map map, Object key) { containsKey(map, key, null); }
/** * Check that the map contains the key * @param map Map to check * @param key Key to check for, may be null * @throws IllegalArgumentException If map is null or doesn't contain key */ public static final void containsKey(Map map, Object key) { containsKey(map, key, null); }