check_palindrome.java

import java.util.Scanner;

public class CheckPalindrome {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.print("Enter a string: ");
        String input = scanner.nextLine();
        String reversed = new StringBuilder(input).reverse().toString();

        if (input.equals(reversed)) {
            System.out.println("The string is a palindrome.");
        } else {
            System.out.println("The string is not a palindrome.");
        }
        scanner.close();
    }
}