java weakhashmap
时间: 2023-10-19 12:56:02 浏览: 39
Java中的WeakHashMap是一种特殊的哈希表实现,它的键是"弱键"。当gc线程发现某个对象只有弱引用指向它时,就会将其销毁并回收内存。与普通的HashMap相比,WeakHashMap适用于需要在对应的键废弃之前主动移除元素的场景。它支持key和value为null,具有初始化容量和负载因子等参数,也是非同步的。\[1\]\[2\]\[3\]
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- *1* *3* [Java中的WeakHashMap](https://blog.csdn.net/u013467442/article/details/105826778)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insertT0,239^v3^insert_chatgpt"}} ] [.reference_item]
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