Saturday, October 24, 2015

Java WeakHashMap



http://liujiacai.net/blog/2015/09/27/java-weakhashmap/
WeakHashMap并没有基于某种特殊的数据结构，它的主要目的是为了优化JVM，使JVM中的垃圾回收器（garbage collector，后面简写为 GC）更智能的回收“无用”的对象。

WeakHashMap与其他 Map 最主要的不同之处在于其 key 是弱引用类型，其他 Map 的 key 均为强引用类型.



Posted by Jeffery at 12:35 PM
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