试试这个。我使用的参考文献有: https://www.javatpoint.com/how-to-compare-two-arraylist-in-java 为什么在尝试从列表中删除元素时会出现UnsupportedOperationException? // create and insert into maps Map<String, Object[]> one = new HashMap<String, Object[]>(); Map<String, Object[]> two = new...