package com.thealgorithms.maths; public final class PalindromeNumber { private PalindromeNumber() { } /** * Check if {@code n} is palindrome number or not * * @param number the number * @return {@code true} if {@code n} is palindrome number, otherwise * {@code false} */ public static boolean isPalindrome(int number) { if (number < 0) { throw new IllegalArgumentException("Input parameter must not be negative!"); } int numberCopy = number; int reverseNumber = 0; while (numberCopy != 0) { int remainder = numberCopy % 10; reverseNumber = reverseNumber * 10 + remainder; numberCopy /= 10; } return number == reverseNumber; } }