Courses / Data Structures and Algorithms
4. Hash Table
A data structure that implements an associative array, mapping keys to values.
1 min read Chapter 4 of 23
Python
Hash Table
A hash table is a data structure that stores key-value pairs for quick access.
"I need to look up user data fast without searching through everything."
A hash table uses a hash function to compute an index into an array of buckets or slots, where the desired value can be found. It allows for efficient data retrieval, insertion, and deletion.
"I need to look up user data fast without searching through everything."
A hash table uses a hash function to compute an index into an array of buckets or slots, where the desired value can be found. It allows for efficient data retrieval, insertion, and deletion.