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【多选题】
关于HashMap集合说法正确的是______。A.
散列桶按顺序方式查询指定的HashMap元素。
B.
HashMap通过键的hashCode值作为元素在散列数组中的索引，可实现高效率的查询。
C.
HashMap通过键的hashCode值%散列数组长度作为元素在散列数组中的索引可避免数组元素连续存放带来的插入、删除的不便。
D.
散列算法不能保证hashCode值相同的现象出现，若两个键的hashCode相同，则会存放在一个中，该称为散列桶。
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