Java Interfaces and UML

Implement the following class hierarchy on paper. You do not need to fill in the method bodies or include comments.

Answer the following questions:

• How are abstract classes and interfaces the same?
• How are abstract classes and interfaces different?
• Fill in the following table with one of three values.
  • Yes - An object of the indicated type could be stored in a variable of the indicated type.
  • No - An object of the indicated type could not be stored in a variable of the indicated type.
  • Nonsense - It is not possible to instantiate an object of the indicated type.

  		Variable Type
  		Throwable	Ball	Rock	Baseball	Football
  Object Type	Throwable
  	Ball
  	Rock
  	Baseball
  	Football