public static void stringKey() throws NoSuchFieldException, IllegalAccessException { HashMap map = new HashMap<>(32); // 9个hashKey相同的字符串集合,map容量<64时会在添加第9个"20kf"进行扩容而不会树化,即32则左移一位为64,集合删除"20kf"则不会扩容仍为32 Set sameHashKeys = Sets.newHashSe...