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Java引用类型原理深度剖析,看完文章,90%的人都收藏了-Java架构笔记

 5 years ago
source link: https://blog.51cto.com/14440216/2428081
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Java中一共有4种引用类型(其实还有一些其他的引用类型比如FinalReference):强引用、软引用、弱引用、虚引用。其中强引用就是我们经常使用的Object a = new Object(); 这样的形式,在Java中并没有对应的Reference类。本篇文章主要是分析软引用、弱引用、虚引用的实现,这三种引用类型都是继承于Reference这个类,主要逻辑也在Reference中。问题在分

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