Leetcode 383: Ransom Note | Java Solution Explained | HashMap Approach
In this video, we solve Leetcode Problem 383: Ransom Note using Java.
This problem is an excellent example of how to use HashMap or array frequency counting to handle string-based problems efficiently.
We’ll go through:
✅ Problem explanation
✅ Naive vs optimized approach
✅ Step-by-step logic using HashMap / Array
✅ Java code implementation
✅ Time and space complexity analysis
By the end of this video, you’ll have a clear understanding of how to handle character frequency problems in coding interviews.
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