hashmap的get

HashMap的get方法是用于获取指定键对应的值的方法。在HashMap中，键值对是通过哈希函数计算得到的散列码来确定存储位置的。get方法首先会通过hash(key)方法计算出key的哈希值，并根据哈希值找到对应的存储位置。接着，通过比较键值对中的键与给定的key来找到匹配的键值对，并返回其对应的值。如果没有找到匹配的键值对，则返回null。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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