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HashMap: A HashMap is a part of the Java Collections Framework and is used to store key-value pairs. It doesn't guarantee any specific order of the elements. It is implemented using a hash table and provides constant-time performance for basic operations like adding, removing, and accessing elements (assuming the hash function disperses elements properly).
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Systems Architect

Interviewed at Intel Corporation

3.9
Jan 25, 2025

HashMap: A HashMap is a part of the Java Collections Framework and is used to store key-value pairs. It doesn't guarantee any specific order of the elements. It is implemented using a hash table and provides constant-time performance for basic operations like adding, removing, and accessing elements (assuming the hash function disperses elements properly).

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