Consider the Classes below that may be programmed by YouTube --User --Video --Comment The Class User can have an email and password as instance variables. Methods may include: change Password and subacribeTo The subscribe To method may take in another User object as a parameter Example User music fan = new User () User cool dude= new User () music fan.subscribeTo (cool_dude) Consider the Video class. It may have title and views as instance variables It may also have an addComment method that takes in Comment objects as a parameter Create UMI. diagrams for the User, Video, and Comment class Each class must have 5 instance variables and 5 methods At least one of each method per class must have another Class object as an instance variable Describe design of each class, and the choice your made regarding instance variables and methods 2 well written paragraphs per class should suffice