Ruby on Rails
Ruby on Rails Example – Small clone of twitter, includes web forum, user profiles, likes, comments, features for admins to perform
a soft delete (simply hide the post to everyone minus administration), or a hard delete, which deletes it from the server.
Website also allows image hosting for users and allows them to create their own albums. Check out the code base:
https://github.com/Bdoom/FindAFriend – Live example: https://uwuanimu.com
Java Example – Uses Twitter4J library to unfollow people who are not following you on twitter: