1. LinkedHashMap 简介
1.1 基本组成单元 Entry
static class Entry<K,V> extends HashMap.Node<K,V> {
Entry<K,V> before, after;
Entry(int hash, K key, V value, Node<K,V> next) {
super(hash, key, value, next);
}
}
引用
https://blog.csdn.net/weixin_30648587/article/details/99547479