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WeakHashMap源码解析

总体介绍在Java集合框架系列文章的最后，笔者打算介绍一个特殊的成员: WeakHashMap，从名字可以看出它是某种 Map。它的特殊之处在于 WeakHashMap 里的entry可能会被GC自动删除，即使程序员没有调用remove()或者clear()方法。更直观的说，当使用 WeakHash...

WeakHashMap和Java引用类型详细解析

WeakHashMap是种弱引用的HashMap，这是说，WeakHashMap里的key值如果没有外部强引用，在垃圾回收之后，WeakHashMap的对应内容也会被移除掉。 1.1 Java的引用类型在讲解WeakHashMap之前，我们需要了解Java中引用的相关类： Referen...

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Java 集合系列13之 WeakHashMap详细介绍(源码解析)和使用示例

概要这一章，我们对WeakHashMap进行学习。我们先对WeakHashMap有个整体认识，然后再学习它的源码，最后再通过实例来学会使用WeakHashMap。第1部分 WeakHashMap介绍第2部分 WeakHashMap数据结构第3部分 WeakHashMap源码解析(基于JDK1.6....

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