Palindrome1.java

import java.util.Scanner;

public class Palindrome1 {

    /**
    *   Program: Palindrome1.java
    *   Purpose: Palindrome tester, version 1
    *   Creator: Chris Clarke
    *   Created: 08.02.2015
    */

    public static void main (String [] args) {

        Scanner keyboard = new Scanner (System.in);
        System.out.println("Palindrome Program version 1.0");
        System.out.print("Enter a word: ");
        String word = keyboard.nextLine().toLowerCase();

        boolean isPalindrome = true;
        int left = 0;
        int right = word.length()-1;

        while (left<right) {
            // compare first and last characters
            if (word.charAt(left) != word.charAt(right)) {
                isPalindrome = false;
                break; // out of while loop
            } // if
            left++;
            right--;
        } // end while

        if (isPalindrome) {
            System.out.println("The word is a palindrome!");
        } else {
            System.out.println("The word is *not* a palindrome!");
        } // end if

    } // end main()

} // end class Palindrome1