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Java String Reverse

A palindrome is a word, phrase, number, or other sequence of characters which reads the same backward or forward.(Wikipedia)

Given a string , print Yes if it is a palindrome, print No otherwise.
Constraints
  •  will consist at most  lower case english letters.
Sample Input
madam
Sample Output
Yes
import java.io.*;
import java.util.*;

public class Solution {

   public static void main(String[] args) {
        
        Scanner sc=new Scanner(System.in);
        String A=sc.next();
        /* Enter your code here. Print output to STDOUT. */
        String result ="Yes";
        int length = A.length();
        for (int i=0; i<length/2;i++){
            if(A.substring(i,i+1).equals(A.substring(length-i-1,length-i))) {         
            }else {
             result ="No";
            }
        }
        System.out.println(result);
    }
}

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