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10 - Java对象的内存布局 #4

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TFdream opened this issue Apr 7, 2021 · 0 comments

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TFdream commented Apr 7, 2021

在 Java 虚拟机中，每个 Java 对象都有一个对象头（object header），这个由标记字段和类型指针所构成。其中，标记字段用以存储 Java 虚拟机有关该对象的运行数据，如哈希码、GC 信息以及锁信息，而类型指针则指向该对象的类。

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