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package Maths;
public class PalindromeNumber {
  public static void main(String[] args) {
    assert isPalindrome(12321);
    assert !isPalindrome(1234);
    assert isPalindrome(1);
   * 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(number + "");
    int numberCopy = number;
    int reverseNumber = 0;
    while (numberCopy != 0) {
      int remainder = numberCopy % 10;
      reverseNumber = reverseNumber * 10 + remainder;
      numberCopy /= 10;
    return number == reverseNumber;

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