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🌟 Count Pair with Given XOR | Problem Solved in Java | InterviewBit 🌟

In this video, we solve the Count Pair with Given XOR problem from InterviewBit using Java. Learn how to find the number of pairs in the array whose XOR equals a given value. This problem is a great exercise for understanding bitwise operations and efficient algorithms in coding interviews.

🚀 What you'll learn:

Problem breakdown and understanding XOR operations.
Optimized solution using HashMap to count pairs with the given XOR.
Step-by-step Java code implementation with explanation.
Handling edge cases and performance optimization.
👨‍💻 Why this video matters: The Count Pair with Given XOR problem tests your ability to efficiently search for pairs in an array whose XOR equals a given number. By using a HashMap, you can reduce the time complexity from O(n²) to O(n), which is a vital technique for coding interviews.

📌 Topics covered:

Explanation of the Count Pair with Given XOR problem.
Approach 1: Using HashMap for efficient pair counting with XOR.
Java code walkthrough with detailed explanation.
Performance optimization and edge case handling.
🎯 Perfect for:

Java programmers preparing for coding interviews.
Developers looking to master XOR operations and hash-based solutions.
Anyone aiming to strengthen problem-solving skills for InterviewBit-style challenges.
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💬 Have questions? Drop them in the comments, and I’ll help you out! 🚀