Reverse given string.

Description:- 

This program reverse this given string.

Code:-

public class Solution {

    public String reversString(String A) {

        char[] arr = A.toCharArray();

        String ans="";

        int len = arr.length;

        for(int i=len-1;i>=0;i--){

           ans+=arr[i];

           

        }

        return ans;

    }

}

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