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HotSpot原理指南-oop-klass模型 | LoveZhy #61

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zhyzhyzhy opened this issue Dec 14, 2020 · 0 comments
Open

HotSpot原理指南-oop-klass模型 | LoveZhy #61

zhyzhyzhy opened this issue Dec 14, 2020 · 0 comments

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@zhyzhyzhy
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https://blog.lovezhy.cc/2019/02/16/HotSpot%E5%8E%9F%E7%90%86%E6%8C%87%E5%8D%97-oop-klass%E6%A8%A1%E5%9E%8B/

前言看任何JVM的书,oop-klass总是绕不去的坎我一直想理解这些,但是就是理解不了,但是也说不出哪里不明白。 这篇文章不会对这个模型做系统的阐述,假设读者已经看过oop-klass模型,但是还是有点一知半解的状态。 oop-klass为什么要这么设计?其实很多书也提到,既然HotSpot完全基于C++去编写,要实现多态完全可以进行C++层面的转换就行。但是C++的多态其实每一个对象都维护了一

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