What is rehashing?
Understand the Problem
The question is asking for an explanation of the concept of rehashing, which is commonly related to data structures and computer programming, particularly in the context of hash tables.
Answer
Rehashing is the process of increasing the size of a hashmap and redistributing the elements based on new hash values.
Rehashing is the process of increasing the size of a hashmap and redistributing the elements to new buckets based on their new hash values.
Answer for screen readers
Rehashing is the process of increasing the size of a hashmap and redistributing the elements to new buckets based on their new hash values.
More Information
Rehashing helps maintain the efficiency of data retrieval operations in hashmaps by preventing excessive collisions.
Tips
A common mistake is to not recalculate the hash values correctly, leading to misplaced entries.
Sources
- Load Factor and Rehashing - GeeksforGeeks - geeksforgeeks.org
- Rehashing in Data Structure - Naukri Code 360 - naukri.com
- Rehashing in Java - Javatpoint - javatpoint.com
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