@@ -0,0 +1,489 @@
+package easy;%0A%0Apublic class ValidPalindrome %7B%0A%0A    public boolean isPalindrome(String s) %7B%0A        int i = 0, j = s.length()-1;%0A        char%5B%5D chars = s.toCharArray();%0A        while(i %3C j)%7B%0A            while(i %3C j && !Character.isLetterOrDigit(chars%5Bi%5D)) i++;%0A            while(i %3C j && !Character.isLetterOrDigit(chars%5Bj%5D)) j--;%0A            if(Character.toLowerCase(chars%5Bi%5D) != Character.toLowerCase(chars%5Bj%5D)) return false;%0A            i++; j--;%0A        %7D%0A        return true;%0A    %7D%0A%0A%7D%0A

valid palindrome