Data Stream Coding Practice Problems - Page 2 | TutorialsPoint

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Master DSA Topics - January, 2026

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Data Stream Coding Problems

Practice problems frequently asked at Data Stream • 22 problems | 6 Easy | 9 Medium | 7 Hard

#	Problem	Difficulty	Topics
16	Number of Recent Calls	Easy	DesignQueueData Stream
17	Online Stock Span	Medium	StackDesignMonotonic Stack
18	Product of the Last K Numbers	Medium	ArrayMathDesign
19	Sequentially Ordinal Rank Tracker	Hard	DesignHeap (Priority Queue)Data Stream
20	Stock Price Fluctuation	Medium	Hash TableDesignHeap (Priority Queue)
21	Stream of Characters	Hard	ArrayStringDesign
22	Two Sum III - Data structure design	Easy	ArrayHash TableTwo Pointers

Showing 16-22 of 22

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public class MyFirstJavaProgram { Edit & Run

/* This is my first java program.

* This will print 'Hello, World!' as the output

*/

public static void main(String []args) {

System.out.println("Hello, World!"); // prints

}

}

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