Used to check if a number is a palindrome. - Java java.lang

Java examples for java.lang:Math Number

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Description

Used to check if a number is a palindrome.

Demo Code


//package com.java2s;

public class Main {
    /**//www  .  java2  s .  c om
     * Used to check if a number is a palindrome.
     * A number is a palindrome if it is the same in reverse order as itself. example: 1230321.
     * This method takes as many shortcuts as it can to compute as quickly as possible.
     * @param operand the number to check
     * @return true if operand is a palindrome, false if it is not.
     */
    public static boolean isPalindrome(long operand) {
        String op = new Long(operand).toString();
        for (int i = 0; i < op.length() / 2; i++) {
            if (op.charAt(i) != op.charAt(op.length() - i - 1)) {
                return false;
            }
        }
        return true;
    }
}

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