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Question 1

If a method has been overridden but you want to use the superclass version within the subclass, you can use the keyword ______ to access the parent class method.

Answer 1

super

Question 2

In a subclass, the keywords __________ sometimes refer to the same method, but sometimes they do not.

Answer 2

this and super

Question 3

The concept of keeping data private is known as

Answer 3

information hiding.

Question 4

When you employ information hiding, your data can be altered only by the __________.

Answer 4

methods you choose and only in ways that you can control.

Question 5

When a class serves as a superclass to other classes you create, your ________ inherit all the data and methods of the superclass.

Answer 5

subclasses

Question 6

The methods in a subclass can use all of the data fields and methods that belong to its parent, with one exception: _________

Answer 6

private members of the parent class are not accessible within a child class’s methods.

Question 7

___________ provides you with an intermediate level of security between public and private access.

Answer 7

Protected access

Question 8

Sometimes when you create a class, you might choose ________

Answer 8

not to allow subclasses to override some of the superclass methods.

Question 9

The three types of methods that you cannot override in a subclass are:

Answer 9

static methods
final methods
Methods within final classes