Exam 10: Inheritance

All methods in an abstract class must also be declared abstract.

What type of relationship exists between two objects when one object is a specialized version of another object?

In the following code, what will the call to super do? public class ClassB extends ClassA { Public ClassB() { Super(40); System.out.println("This is the last statement "+ "in the constructor."); } }

What is required for an interface method that has a body?

If ClassC is derived from ClassB which is derived from ClassA, this would be an example of

A class becomes abstract when you place the __________ key word in the class definition.

Given the following code, which statement is true? public class ClassB implements ClassA{ }

A functional interface is simply an interface that has one abstract method.

When a method is declared with the __________ modifier, it cannot be overridden in a subclass.

In __________, inheritance is shown with a line that has an open arrowhead at one end that points to the superclass.

A subclass can directly access __________.

When an "is a" relationship exists between objects, the specialized object has __________.

In a class hierarchy __________.

__________ is a special type of expression used to create an object that implements a functional interface.

When a subclass overloads a superclass method __________.

In the following statement, which is the subclass? public class ClassA extends ClassB implements ClassC

Because the subclass is more specialized than the superclass, it is sometimes necessary for the subclass to replace inadequate superclass methods with more suitable ones.

A protected member of a class may be directly accessed by __________.

Inheritance involves a subclass, which is the general class, and a superclass, which is the specialized class.

Which of the following is the operator used to determine whether an object is an instance of a particular class?