writestubsfor each class so that your code compiles.Java code please

User.java This class bundles methods/data for a User object. public User(String name, String password) - constructs a new instance of the User class with the specified name and password. public String getName() - returns the name of the user. public boolean attemptLogin(String password) - returns true if the password is valid for this user. False otherwise. public void addPlaylist(Playlist newPlaylist) - adds the specified playlist to the user's playlists. public List getPlaylists() - returns a list of the playlists for this user. public void selectPlaylist(String name) - selects the playlist with the specified name if the user has a playlist by that name and plays the newly selected playlist. public String toString() - returns a string description of the user. The format is name, numPlaylists playlists. So if I had a user cjenkins who had 12 playlists this method would return "cjenkins, 12 playlists