Method validPalindromeUtil

java/0680-valid-palindrome-ii.java:13–23

(String s, int i, int j)

    }
    
    boolean validPalindromeUtil(String s, int i, int j) {
        while(i < j)
            if(s.charAt(i) == s.charAt(j)) {
                i += 1;
                j -= 1;
            } else {
                return false;
            }
        
        return true;
    }
}