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对象的创建以及YoungGC的触发 - 简书

 6 years ago
source link: http://www.jianshu.com/p/941fe93d21c2?
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对象的分配 大部分对象都在Heap(堆中进行分配),Heap空间是共享的内存空间,当多个线程在Heap中为对象分配内存空间时,需要通过加锁的方式进行同步,为了提高对象分配的效率,对象在线程TLAB空间为对象分配内存。对象分配流程图如下: 下面结合Hotspot源码来分析对象内存分配流程: 一般我们得代码都是通过解释器执行,当创建对象得时候,解释器执行 new 指令,来到这里:openjdk\...

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