PalindromeChecker.scala

object PalindromeChecker {
    def isPalindrome(words: Array[String]) {
        words.foreach(w => println(isPalindrome1(w)))
    }

    def isPalindrome(word: String): Boolean = {
        var b = 0
        var e = word.length-1
        while (b < e) {
            if (word.charAt(b) != word.charAt(e)) return false
            b += 1
            e -= 1
        }
        return true
    }

    def isPalindrome1(word: String) = word == word.reverse
}