目录一、对象头1)、Mark Word2)、类型指针3)、数组长度(只有数组对象才有)二、实例数据三、对齐填充四、使用JOL工http://www.devze.com具分析对象内存布局在HotSpot虚拟机中，对象在内存中存储的布局可以分为三块区域
I know this question has been posted before... but I haven\'t found any answer yet (besides from the generic answers about how XLL are actually D开发者_运维问答LL, etc).
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