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Aug 3, 2019
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Update Java内存区域.md #413

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2 changes: 1 addition & 1 deletion docs/java/jvm/Java内存区域.md
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Expand Up @@ -84,7 +84,7 @@ Java 虚拟机在执行 Java 程序的过程中会把它管理的内存划分成
- 直接内存 (非运行时数据区的一部分)

### 2.1 程序计数器
程序计数器是一块较小的内存空间，可以看作是当前线程所执行的字节码的行号指示器。**字节码解释器工作时通过改变这个计数器的值来选取下一条需要执行的字节码指令，分支、循环、跳转、异常处理、线程恢复等功能都需要依赖这个计数器来完。**
程序计数器是一块较小的内存空间，可以看作是当前线程所执行的字节码的行号指示器。**字节码解释器工作时通过改变这个计数器的值来选取下一条需要执行的字节码指令，分支、循环、跳转、异常处理、线程恢复等功能都需要依赖这个计数器来完成。**

另外，**为了线程切换后能恢复到正确的执行位置，每条线程都需要有一个独立的程序计数器，各线程之间计数器互不影响，独立存储，我们称这类内存区域为“线程私有”的内存。**

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