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Dsa questions related to arrays and dictionaries
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posted on 10 Mar 2023
I applied via Naukri.com and was interviewed in Dec 2023. There was 1 interview round.
HashMap is a data structure that stores key-value pairs and provides constant time complexity for basic operations.
HashMap allows quick access to values based on their keys
Keys must be unique and values can be duplicated
HashMap is not thread-safe and requires synchronization for concurrent access
Java's HashMap implementation uses hashing to distribute keys across buckets
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