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JVM虚拟机内存区域是Java虚拟机在运行过程中对内存的划分和管理。JVM内存区域主要分为以下几个部分：程序计数器（Program Counter Register）：程序计数器是一块较小的内存空间，它保存着当前线程正在执行的字节码指令的地址或索引。 Java虚拟机栈（Java Virtual M...

JVM虚拟机：内存区域详解（Eden Space、Survivor Space、Old Gen、Code Cache和Perm Gen）

1.内存区域划分根据我们之前介绍的垃圾收集算法，限定商用虚拟机基本都采用分代收集算法进行垃圾回收。根据对象的生命周期的不同将内存划分为几块，然后根据各块的特点采用最适当的收集算法。大批对象死去、少量对象存活的，使用复制算法，复制成本低；对象存活率高、没有额外空间进行分配担保的，采用标记-清除算法或者...

Java 虚拟机原理

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