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hash map
This term is a technical staple of computer science and software engineering, describing a specific implementation of an associative array. It carries a neutral, functional connotation and is used almost exclusively in professional or academic technical registers. While often used interchangeably with "hash table," a hash map typically refers to the specific object or class implementation in languages like Java.
Because it is a compound noun referring to a specific data structure, it follows standard English countability rules. It is used as a countable noun when referring to individual instances of the structure within a program's memory or different types of implementations across various programming languages.
Meanings
Examples
Using a hash map allows for constant time complexity when retrieving values.
I should probably use a hash map here to avoid nested loops.
Why did you use a linked list instead of a hash map for this lookup table?
The professor explained how a hash map handles collisions using chaining.
A hash map is the most efficient choice for storing unique user IDs.
I wonder if a hash map will consume too much memory for this specific dataset.
The system implements a custom hash map to optimize the caching layer.
Let us implement a hash map to track the frequency of each word in the document.
The performance bottleneck was solved by replacing the array search with a hash map.
The performance bottleneck was solved by replacing the array search with a hash map.