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23. 什么是指针碰撞？一般情况下，JVM的对象都放在堆内存中（发生逃逸分析除外）。当类加载检查通过后，Java虚拟机开始为新生对象分配内存。如果Java堆中内存是绝对规整的，所有被使用过的的内存都被放到一边，空闲的内存放到另外一边，中间放着一个指针作为分界点的指示器，所...

JVM面试题，面试官放马过来！！

JVM面试题1. 请简述一下JVM的内存模型JVM在执行Java程序时，会把它管理的内存划分为若干个的区域，每个区域都有自己的用途和创建销毁时间。如下图所示，可以分为两大部分，线程私有区和共享区。线程私有区程序计数器当同时进行的线程数超过CPU数或其内核数时，就要通过时间片轮询分派CPU的时间资源，...

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更新时间 2023-01-13 18:48:01

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