Interview Questions
Refer this for preparing yourself on how to write java program to check given string is a Palindrome or not.
Palindrome
public class PalindromeApp { public static void main(String[] args) { String input = "dad"; if (PalindromeApp.isPalindrome(input)) { System.out.println(String.format("%s is palindrome", input)); } else { System.out.println(String.format("%s is NOT palindrome", input)); } } private static Boolean isPalindrome(String input) { char[] inputArr = input.toLowerCase().toCharArray(); char[] reverse = new char[inputArr.length]; for (int i = 0; i < inputArr.length; i++) { reverse[i] = inputArr[(inputArr.length - 1) - i]; } String r = new String(reverse); // String.copyValueOf(reverse); return (input.equals(r)); } }