// IMPORTANT: class name must be same as file name.

// EG: FILE.java then

// class FILE {

// }

public class PalindromeCheck {

public static void main(String[] args) {

String input = args[0];

int num = Integer.parseInt(input);

if (isPalindrome(num)) {

System.out.println(num + " is a palindrome.");

} else {

System.out.println(num + " is not a palindrome.");

}

}

public static boolean isPalindrome(int n) {

int original = n, reversed = 0;

while (n != 0) {

int digit = n % 10;

reversed = reversed * 10 + digit;

n /= 10;

}

return original == reversed;

}

}

//To execute run following in command line.

//java PalindromeCheck.java <number>

//java PalindromeCheck.java 121