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JVM 内存结构中的疑问 #10

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Mrtj2016 opened this issue Feb 28, 2020 · 1 comment

Mrtj2016 commented Feb 28, 2020

第一节——JVM 内存结构

Java 虚拟机栈的栈顶的栈帧是当前正在执行的活动栈，也就是当前正在执行的方法，PC 寄存器也会指向这个地址。只有这个活动的栈帧的本地变量可以被操作数栈使用，当在这个栈帧中调用另一个方法，与之对应的栈帧又会被创建，新创建的栈帧压入栈顶，变为当前的活动栈帧。

对于上述引用中被加粗的地方，如果要使用静态变量怎么办呢？

allan-deng commented Feb 28, 2020

静态变量在方法区中，不在虚拟机栈中。此情况下静态变量仍可被使用

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