Binary and Chapter 9 Lessons 1-2 Quiz Review

What is 13 in binary?

• 1010

• 1110

• 1101

• 1100

What is 13 in hexadecimal?

• A

• B

• C

• D

The extends keyword is used to:

• copy a parent class

• make an int longer

• to get access to methods and constructors of a parent class

Which of the following keywords allows a child class to access the overridden methods in a parent class?

• new

• this

• extends

• super

• none of the above

What is it called when two methods have the same name but different parameters?

• Recursion

• Overriding

• Overloading

Which of the following should be true of a superclass?

• Superclass data should be made public so the subclasses can access it.

• A superclass can contain methods that will be used by all subclasses

• A superclass should contain methods that will be used only by the superclass.