Question: 1
Given the following class declarations:
Which answer fails to compile?

Question: 2
Given the code fragment:

Which three code fragments can be independently inserted at line n1 to enable the code to print one?
Question: 3
Which two are benefits of polymorphism?
Question: 4
Given the following classes:

Which two options fail to compile when placed at line n1 of the main method?
Question: 5
Given:

And given the commands:
javac Test.java
java Test TRUE null
What is the result?