<How to Avoid Duplicates and Non-Existent Paths Wh...

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How to Avoid Duplicates and Non-Existent Paths When Using Recursion?
I'm supposed to scrape data from an HTML string and use Jsoup to scrape it. However, I'm also using recursion to find any nested elements and found that it’s leading to duplication and results in paths that don’t exist:
Link: In Bookmarks Menu, URL: link 1 In Bookmarks Menu
Link: In Bookmarks Menu, URL: link 2 In Bookmarks Menu
Link: In Bookmarks Menu, URL: link 3 In Bookmarks Menu
Folder: Bookmarks Toolbar
Link: In Bookmarks Toolbar, URL: link 1 In Bookmarks Toolbar
Link: In Bookmarks...