Data Stream Coding Problems

Process continuous data efficiently

22
Total Problems
6
Easy
9
Medium
7
Hard
Start Practicing
process

Master DSA Topics - January, 2026

Practice problems across 75+ categories

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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