Accepted Java using StringBuilder (simple solution)

  • 0

    Hi all! I am new at coding, so any tips on how I could improve my code will be appreciated!!

    class Solution {
        public String reverseString(String s) {
            StringBuilder sb = new StringBuilder();
            for(int i=s.length()-1;i>=0;i--){
            return sb.toString();

    this is O(N) time complexity

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