May 05, 2020

#LeetCode: First Unique Character in a String

Given a string, find the first non-repeating character in it and return it's index. If it doesn't exist, return -1.

Examples:
s = "leetcode"
return 0.

s = "loveleetcode",
return 2.

Note: You may assume the string contain only lowercase letters.

Java Solution:


ALSO CHECKOther LeetCode Solutions in Java

-K Himaanshu Shuklaa..

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