// Wap to check if a number is palindrome or not. public class Question3 { public static boolean isPalindrome(int num) { int rev = 0; int originalnum = num; while (num > 0) { int rem = num % 10; rev = rev * 10 + rem; num /= 10; } return (originalnum == rev); } public static boolean isPalindrome(String str) { int strlen = str.length(); String rev = ""; for (int i = (strlen - 1); i >= 0; i--) { rev = rev + str.charAt(i); } return (str.toLowerCase().equals(rev.toLowerCase())); } public static void main(String[] args) { System.out.println(isPalindrome(101)); System.out.println(isPalindrome("ababaa")); } }