jackson-rz

class Solution {
   public List<String> crawl(String startUrl, HtmlParser htmlParser) {
       
        // find hostname
        int index = startUrl.indexOf('/', 7);
        String hostname = (index != -1) ? startUrl.substring(0, index) : startUrl;

        // multi-thread
        Crawler crawler = new Crawler(startUrl, hostname, htmlParser);
        crawler.result = new HashSet<>(); // reset result as static property belongs to class, it will go through all of the test cases

jackson-rz

just a test

jackson-rz

class Solution(object):
    def uniquechar(self, string):
        if string == '':
            return True

        string = sorted(string)
        prev = string[0]

        for char in string[1:]:
            if char == prev: