20
关于HashMap容量的初始化，还有这么多学问。
source link: https://juejin.im/post/5de5bd976fb9a0718450bd16
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在《HashMap中傻傻分不清楚的那些概念》文章中，我们介绍了HashMap中和容量相关的几个概念，简单介绍了一下HashMap的扩容机制。 文中我们提到，默认情况下HashMap的容量是16，但是，如果用户通过构造函数指定了一个数字作为容量，那么Hash会选
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