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Map的扩容机制
2022-07-03 05:18:00 【奈良森屿】
目录
1.扩容的计算的方法 ：
2.如何查看扩容后的容量（需要利用反射机制）
3.输出打印扩容之后的容量，有规律
每当达到原容量的0.75时就会扩容，也就是：
16*0.75=12
如果使用内存达到12就会扩容到32
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