Exam 11: Classes Continued

Methods in a subclass can be related to methods in a superclass in all of the following ways EXCEPT ____.

The value of a class constant is assigned ____.

In the TurtleGraphics package, the pen is initially all of the following EXCEPT ____.

FIGURE 11-1 -Alec suggests that Amara create documentation for her program by embedding comments using the ____ symbol.

The relationship that allows an object of one class to send a message to an object of another class is called ____.

A(n) ____________________ class is one that will be instantiated.

When related classes have the same ____, they can be used interchangeably in a program.

The methods in an interface are usually private. ____________________

A class can implement methods in addition to those listed in the interface.

If more than one class implements an interface, its methods are ____.

A(n) ____________________ method cannot be overridden by a subclass.

Interfaces can be organized in an inheritance hierarchy.

A class's ____ provides the information needed to use the class without revealing anything about its implementation..

A method's ____________________ describe what should be true before it is called.

FIGURE 11-1 -In Figure 11-1 above, we say that AAA ____ Object.

Identify the letter of the choice that best matches the phrase or definition. a.Dependency b.Extension c.Overriding d.Aggregation e.Inheritance -When objects are related by sending and receiving a message.

If a class implements an interface, all its subclasses do so implicitly.

Class methods can reference only instance variables, never static variables.

Identify the letter of the choice that best matches the phrase or definition. a.Dependency b.Extension c.Overriding d.Aggregation e.Inheritance -When the subclass method does not exist in the superclass.

A(n) ____ method is accessible to a class's descendents, but not to any other classes in the hierarchy.