Question

1.Which of the following modifiers allow for inheritance? Make two selections.

  

public

   

protected

   

portable

   

private

2.

Which one of the following is a class header indicating that we are defining a class named Amphibian, which is derived from the Animal class?

  

Amphibian extends Animal

   

Animal->Amphibian

   

Amphibian : Animal

   

Animal(Amphibian)

3.

You have a parent class called Account, and a derived class called CheckingAccount. How would you go about initializing an instance of the derived class? The constructor should take two string arguments.

  

CheckingAccount myAccount = new CheckingAccount("Bob", "Roberts")

  

CheckingAccount myAccount = new Account.CheckingAccount("Bob", "Roberts")

CheckingAccount:Account myAccount = new CheckingAccount("Bob", "Roberts")

  

CheckingAccount myAccount = new CheckingAccount()

Answer 1

1.
public
protected

2.
Amphibian extends Animal

3.
CheckingAccount myAccount = new CheckingAccount("Bob", "Roberts")