Answer / Mohd Nazir

The time complexity of Selection Sort is O(n^2) in the worst case (when the array is sorted in reverse order), and O(n^2) in the average case. In the best case, where the input is already sorted, its time complexity is O(n^2).

For which header list, the last node contains the null pointer?

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Can arraylist contain null?

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How many parts are there in a declaration statement using data structures?

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What are the non linear data structure?

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Which language is best for data structures and algorithms?

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How do we search a specific element in an array?

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Is arraylist reference type?

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What is binary tree? Explain its uses.

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How many types of data structures are there?

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What is the two-dimensional array?

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Define depth and height of a node?

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What is non linear structure?

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