PallindromeJava

public class StringPalindrome {
 public static void main(String[] args) {
 boolean flag = javaPalindromeCheck("sitonapanotis");
 System.out.println(flag);
 flag = javaPalindromeCheck("nine");
 System.out.println(flag);
 flag = javaPalindromeCheck("amanaplanacanalpanama");
 System.out.println(flag);

 }
 public static boolean javaPalindromeCheck(String s){
 if(s.length() == 0 || s.length() == 1) {
 return true;
 }
 if(s.charAt(0) == s.charAt(s.length()-1)) {
 return palindromeCheck(s.substring(1, s.length()-1));
 }
 return false;
 } 
}