Answer Posted / bipin from utkal university mc

here one operator id missing

What is a simple graph?

531

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What is the space complexity of bubble sort?

526

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How to get top two numbers from an array?

592

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What is the non linear data structure?

483

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Is arraylist heterogeneous?

500

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Discuss the difference between a stack and an Array?

534

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Does hashmap allow null keys?

472

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Can hashset contain duplicates?

492

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What is push and pop in stack?

421

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What does the dummy header in the linked list contain?

752

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Explain quick sort and merge sort algorithms.

579

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What are the 3 types of variables?

507

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Can a binary tree be empty?

499

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Do sets allow duplicates?

551

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What is difference between hashset and treeset?

458

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