palindrome with StringBuffer

package ch.claude_martin;

import java.util.Scanner;

public class SomeClass {
    public static void main(String args[]) throws ClassNotFoundException {
        try (var kb = new Scanner(System.in)) {
            while (true) {
                System.out.println("input a word and hit enter (type 'exit' to exit)");
                var word = kb.nextLine();
                if ("exit".equals(word))
                    break;
                var word2 = new StringBuffer(word).reverse().toString();
                if (word.equals(word2))
                    System.out.format("The word '%s' is a palindrome%n", word);
                else
                    System.out.format("The reverse of '%s' is '%s'%n", word, word2);
            }
            System.out.println("good bye");
        }
    }
}