java - Object's **hashCode** function - how does jdk uses it? -

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i know whenever override equals method should override hashcode method .

but im not sure is, how jdk uses it?

for example hashset/hashmap set/map implementation using hash table, correct table use object's hash_code key hash_function?

so correct table use object's hash_code key hash_function?

almost. hashcode() hash function. hashmap whenever tries find key or put key, calls key hashcode() method , uses (with bit mask)to find proper element in hash table.

also note it's not used directly jvm justby classes.


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