Can arraylist contain duplicates?


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More Data Structures Interview Questions

How hashmap increases its size?

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What does quick sort do?

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How does the size of arraylist increases dynamically?

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Describe the merge sort principle and what will be its time complexity?

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In the given binary tree, using array you can store the node 4 at which location? 1 2 3 - - 4 - - 5

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Why set will not allow duplicates?

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How does variable declaration affect memory allocation?

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Mention for which header list, you will found the last node contains the null pointer?

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What are the different types of data type?

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What is the use of sorting the data?

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What are common data structures?

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What is the difference between data type and data structure?

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