Quiz on Object-Oriented Programming

What is the role of attributes in a class according to the text?

• They define the class's methods

• They determine the class's behavior

• They are characteristics of the class

• They are unrelated to the class

In the text, what is the significance of the car's unique chassis number?

• It represents a method

• It identifies the object

• It defines the class

• It is an attribute of the class

What does the text suggest about the relationship between objects and classes?

• Objects are independent of classes

• Classes are a collection of similar objects

• Objects define the classes

• Classes are unrelated to objects

What analogy is used in the text to explain the concept of a class?

• A car factory

• A computer program

• A library

• A recipe

According to the text, what is an instance attribute?

• A method of a class

• A unique characteristic of an object

• A type of class

• A programming language feature

In the text, what is the significance of the method of preparation in the recipe analogy?

• It represents an attribute

• It represents a class

• It represents a method

• It represents an object

What is the role of messages in object-oriented programming?

• To define the class structure

• To communicate between objects

• To encapsulate data

• To inherit methods

What does encapsulation allow in object-oriented programming?

• Direct access to object attributes

• Modification of attributes without methods

• Hiding irrelevant information from other objects

• Inheritance of methods

What is the significance of method overriding in Java?

• It allows direct access to superclass attributes

• It enables communication between objects

• It allows subclasses to provide specific implementations

• It hides superclass methods

What is the significance of method signatures in interfaces?

• They define the memory usage

• They allow method overloading

• They are available for user display

• They determine the execution speed