#LeetCode: First Unique Character in a String

Also Check: Solutions Of May LeetCoding Challenge (2020)

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.

GIT URL: Java Solution of Leet Code's First Unique Character in a String problem

Java Solution:

ALSO CHECK: Other LeetCode Solutions in Java

-K Himaanshu Shuklaa..