Why do we use collections?


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More Data Structures Interview Questions

Define left-in threaded tree?

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What is top in stack?

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What is advantage and disadvantage of linked list?

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What is collections singletonmap?

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Does hashmap allow null keys?

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What is meant by binary tree?

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Can we apply binary search algorithm to a sorted linked list, why?

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What do you mean by level of the tree?

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What is bubble sort and selection sort?

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Explain recursive function & what is the data structures used to perform recursion?

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Is null allowed in list?

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What is time complexity of bubble sort?

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