1public class PalindromeChecker {
2 
3    public static boolean isPalindrome(String str) {
4 
5        int left = 0;
6        int right = str.length() - 1;
7 
8        while (left < right) {
9 
10            if (str.charAt(left) != str.charAt(right)) {
11                return false;
12            }
13 
14            left++;
15            right--;
16        }
17 
18        return true;
19    }
20 
21    public static void main(String[] args) {
22 
23        String text = "madam";
24 
25        if (isPalindrome(text)) {
26            System.out.println(text + " is a Palindrome.");
27        } else {
28            System.out.println(text + " is Not a Palindrome.");
29        }
30    }
31}