Answer / Richa Bhatnagar

Treemap Chart is a data visualization technique that displays hierarchical data as nested rectangles. It's used to efficiently display large amounts of data in a compact format while maintaining the parent-child relationship between items.

Can arraylist hold different types?

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Explain the uses of binary tree.

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Convert following infix expression to the prefix expression. a - b + c * (d / e - (f + g))

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Write a recursive c function to calculate the height of a binary tree.

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What is the difference between classifying and sorting?

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How is any data structure application is classified among files?

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Explain binary representation?

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Can nsarray contain nil?

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Is an arraylist an object?

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