First Unique Character in String |LeetCode 387|Java String Approach #coding #java #programming

In this problem, we solve LeetCode Problem 387: First Unique Character in a String.

You are given a string of lowercase English letters and need to find the index of the first character that does not repeat.
If no such character exists, return -1.

What this solution covers:

✔ Simple character checking logic
✔ Easy to understand string operations
✔ Clean Java & Python implementation
✔ Beginner-friendly approach
✔ Common string interview problem

This problem is great for practicing string traversal and basic character checks, often asked in coding interviews.

Practice it on LeetCode 🚀
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