increases the size of objects 调整增大物品大小
As the size of objects is limited, the top 2 bits can be used for flags.
因为对象大小有限,所以最高2位可以用于标志。
Consider an interface that defines how to compare the size of objects.
想象有这样一个接口:如何比较对象的大小。
Once an application is up and running, memory utilization is affected by the number and size of objects the system requires.
一旦应用程序启动并运行,内存利用就将受到系统需要的对象的数量和大小的影响。
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