Why is hashmap not thread safe?


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More Data Structures Interview Questions

What is the need for path compression?

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How does the size of arraylist increases dynamically?

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What is the prerequisite for binary searching?

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Why heap sort is not used?

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How do you insert a new item in a binary search tree?

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Define separate chaining?

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What is difference between stack and queue?

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How can we remove loops in a linked list? What are the functions of fast and slow pointers?

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What are red-black trees?

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Which is faster array or arraylist?

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Does hashmap preserve insertion order?

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What is array sort?

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