public static boolean pallindrome(String s) {
		String s1 = StringDemo.reverseString(s);
		char c[] = s.toCharArray();
		char c1[] = s1.toCharArray();
		for (int i = 0; i < c.length; i++) {
			if (c[i] != c1[i]) {
				return false;
			}
		}
		return true;
	}