Palindrome

import java.util.Scanner;

public class Palindrome
{
  public static void main(String[] args)
  {
    Scanner sc = new Scanner(System.in);

    String word;
    boolean isPalindrome = false;

    do {
      System.out.print("\nPlease enter a word: ");
      word = sc.next();

      if(word.equalsIgnoreCase("exit")){
        System.out.println("Program terminated. \u2620");
        return;
      }

      int start = 0;
      int end = word.length() -1;

      char[] c = word.toCharArray();
      while (end > start){
        if (c[start] == c[end]){
          isPalindrome = true;
        } else {
          isPalindrome = false;
        }
        start++;
        end--;
      }

      if (isPalindrome != true) {
        System.out.print(word + " is not a palindrome. \u274C");
      }
      else {
        System.out.print(word + " is a palindrome. \u2713");
      }
    }
    while (true);
  }
}