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What is Hash Collision? How Java handles hash-collision in HashMap?

Pragya Keshap answered on February 4, 2023 Popularity 5/10 Helpfulness 1/10

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  • What is Hash Collision? How Java handles hash-collision in HashMap?

    0

    In a Hashing scenario, at times two different objects may have same

    HashCode but they may not be equal. Therefore, Java will face

    issue while storing the two different objects with same HashCode in

    a HashMap. This kind of situation is Hash Collision.

    There are different techniques of resolving or avoiding Hash

    Collision. But in HashMap, Java simply replaces the Object at old

    Key with new Object in case of Hash Collision.

    https://www.baeldung.com/java-hashmap-advanced#:~:text=Collisions%20in%20the%20HashMap,bucket%20location%20or%20array%20index.

    Popularity 5/10 Helpfulness 1/10 Language java
    Source: Grepper
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    Contributed on Feb 04 2023
    Pragya Keshap
    0 Answers  Avg Quality 2/10


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