What is a HashMap? | Data Structures | Easy explanation with animations | Study Algorithms
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YouTubeNikhil Lohia
What is a HashMap? | Data Structures | Easy explanation with animations | Study Algorithms
The term HashMap is a bit confusing because the data structure does not look like a map we know about. It is indeed more kind of a table that is used to store key value pairs. It is mostly useful in cases when you have to retrieve values in a constant time. Watch the video to understand how and when you need to use a HashMap data structure. All ...
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