Exam 9: Advanced Java Topics

Dynamic binding is also known as ______.

In general,a class's data fields should be declared as ______.

When is a method in a subclass said to override a method in the superclass?

Is it legal for a subclass of an abstract class not to implement all of the methods it inherits? Briefly explain.

A base class is a class that inherits the members of another class.

A subclass cannot add new members to those it inherits from the superclass.

Java packages provide a way to group related ______ together.

______ is the ability of a variable name to represent,during program execution,instances of different but related classes that descend from a common superclass.

Which of the following is NOT true about packages?

Which of the following is true about an abstract class?

A package and the directory that contains all the classes in the package must have the same name.

Name 3 important operations that an iterator object can perform.

The class which inherits the members of another class is known as the ______.

A subclass that fails to implement all of the abstract methods of its superclass must be declared as a(n)______ class.

A subclass can contain its own version of an inherited method.

Inheritance should not be used to implement a has-a relationship.

Clients of a class can directly access the protected members of that class.

Containment is another name for a(n)______ relationship.

A(n)______ is a class that is used to provide access to another class that contains many objects.

The class from which another class is derived is known as the ______.