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Counting Coding Problems

Count occurrences and frequencies

166
Total Problems
58
Easy
87
Medium
20
Hard
Start Practicing
1358

Master DSA Topics - January, 2026

Practice problems across 75+ categories

Counting Coding Problems

Practice problems frequently asked at Counting • 166 problems | 58 Easy | 87 Medium | 20 Hard

3407Google
3399Amazon
3344Microsoft
2900Meta
571Apple
275Facebook
51Netflix
31Uber
27LinkedIn
17Twitter
15Spotify
14Bloomberg
12Adobe
12Airbnb
11Instagram
9DoorDash
9Lyft
8Goldman Sachs
8Oracle
8ByteDance
# Problem Difficulty Topics
166 X of a Kind in a Deck of Cards Easy
ArrayHash TableMath
Showing 166-166 of 166
1 ... 10 11 12

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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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