J3.md

Question 1

• Polymorphism in java is the ability for an object variable to be assigned as it's value any object that is part of a class that is a child of the variable's class
• One place this is useful is creating methods that can take in many different objects as parameters
• You could imagine a printing method that can print an array of different objects that are passed where maybe not all of those objects are the same.

Question 2

• Without polymorphism when you tried to assign any non base object to object the program would crash.
• Polymorphism allows this object to hold any of those variables

Question 3

• This returns "A"

Question 4

• This returns "~~B~~ A"

Question 5

• "A A"

Question 6

• The program will compile successfully

Question 7

• The program will output 1

Question 8

• "foo1: b a"

Question 9

• "Name: fluffy\nSpecies: Canis Familaris(pomeranian)"
• "Name: george\nSpecies: Canis Familaris"
• "Name: brutus\nSpecies: Felis Catus"

Question 10

• Unknown

• Unknown

• Error will not compile

• 41

• 49

• y

• 42

• 7

• Error will not compile

Question 11

• You can not call abstract classes directly you can only call with super. (you can also make abstract methods

Question 12

• you should include the basics of a car like the tires steering wheel axels that are shared amongst all cars.