LinkedLists are used to hold all of our hash map data because of the shoddy way the map was originally built. This significantly reduces a hash map's efficiency.
LinkedLists are used to hold all of our hash map data because of the shoddy way the map was originally built. This significantly reduces a hash map's efficiency.
Conceptual introduction: -
A hash map is typically implemented as an array of "buckets," where each bucket is a linked list that holds all the key-value
pairs with the same hash code. When looking up a key, the hash map calculates the hash code of the key and uses it to
find the corresponding bucket. Then, it searches the linked list in the bucket for the key. If the number of key-value pairs in
the linked list is small, this approach is efficient. However, if the number of key-value pairs in the linked list becomes large,
searching the linked list becomes slow and the hash map's performance suffers.
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