JAVA: Interfaces & Inheritance

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

• value
• definition
• interface
• hierarchy

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

• aggregated
• public
• dependent
• polymorphic

When the element type of an array is a(n) ____ or interface, objects of those types or any subtype can be directly inserted into the array.

• primitive
• concrete
• abstract
• reference

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

• implementation of a concrete method.
• extension
• overriding
• finality

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

• inheritance
• superclass
• dependency
• aggregation

The ____ process uses the clone message to obtain copies.

• duplication
• deep copying
• aliasing
• overriding

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

• final
• private
• public
• static

When the subclass method is intended as a replacement of the superclass method.

• Overriding
• Dependency
• Extension
• Aggregation

When the subclass method does not exist in the superclass.

• Aggregation
• Overriding
• Dependency
• Extension

When an object of one class contains objects of another class as structural components.

• Aggregation
• Extension
• Overriding
• Inheritance