反向指针 meaning in English
backward pointer
Examples
- Reference counting is simple , lends itself well to incremental collection , and the collection process tends to have good locality of reference , but it is rarely used in production garbage collectors for a number of reasons , such as its inability to reclaim unreachable cyclic structures objects that reference each other directly or indirectly , like a circularly linked list or a tree that contains back - pointers to the parent node
引用计数很简单，很适用于增量收集，收集过程一般会得到好的引用区域性，但是出于几个理由，它很少在生产垃圾收集器中使用，如它不能回收不可到达的循环结构（彼此直接或者间接引用的几个对象，如循环链接的列表或者包含指向父节点的反向指针的树） 。