Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Use the following code to answer the questions in this part ++++++++++++++++++ public class Publication{ protected int pages = 0; protected String title = publication

Use the following code to answer the questions in this part

++++++++++++++++++

public class Publication{ protected int pages = 0; protected String title = "publication title"; }

+++++++++++++++++++ public class PBook extends Publication{

protected int pages = 100; protected String title = "book title"; public String toString( ){ String s = "title: " + this.title + " pages: "+ this.pages; return s; } }

+++++++++++++++++

public class Pamphlet extends Publication{

protected String company = "company pamphlet"; }

+++++++++++++++++

public class CBook extends ___________ {

protected int pages = 100; protected String title = "Children Book"; public CBook(int pages, String title){ this.pages = pages; this.title = title; } public String toString( ){ String s = "title: " + this.title; return s; } }

Consider that

public class CBook extends Publication

and in the driver class you have

CBook c = new CBook(20, "Clifford the red dog" ); System.out.println( c.toString( ) ); System.out.println("==========");

What will be printed?

A. title: book title
B. title: Children Book title pages: 100
C. title: Clifford the red dog
D. error because title is protected

Consider that

public class CBook extends Publication

and in the driver class

CBook c = new CBook(20, "Clifford the red dog" ); System.out.println( c.title );

What will be printed?

A. CBook@6d06d69c

because it uses the Object's toString method

B. error because title is protected
C. title: Clifford the red dog
D. Clifford the red dog

Consider that

public class CBook extends Pamphlet{

and in the driver class

CBook c = new CBook(20, "Clifford the red dog" ); System.out.println( c.company

What will be printed?

A. error because pages are missing
B. title: Clifford the red dog
C. company pamphlet
D. CBook@6d06d69c

because it uses the Object's toString method

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Modern Database Management

Authors: Jeffrey A. Hoffer Fred R. McFadden

9th Edition

B01JXPZ7AK, 9780805360479

More Books

Students also viewed these Databases questions