TreeMap<String, Integer> food = new TreeMap<>(new Comparator<String>() {
@Override
public int compare(String o1, String o2) {
return food.get(o1) - food.get(o2) == 0 ? o1.compareTo(o2) : food.get(o1) - food.get(o2);
}
});
我写的这个比较器 怎么idea报错 未初始化变量food 怎么回事