Answered: Create a class named Poem that contains…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Create a class named Poem that contains the following fields:

title - the name of the poem (of type String)
lines - the number of lines in the poem (of type int)

Include a constructor that requires values for both fields. Also include get methods to retrieve field values. Create three subclasses: Couplet, Limerick, and Haiku. The constructor for each subclass requires only a title; the lines field is set using a constant value. A couplet has two lines, a limerick has five lines, and a haiku has three lines.

These are the provided classes and subclasses :

public class Poem

{

// Define the Poem class here

}

public class Limerick

{

// Define the Limerick class here

}

public class Haiku

{

// Define the Haiku class here

}

public class Couplet

{

// Define the Couplet class here

}

import java.util.*;

public class DemoPoems

{

publicstaticvoidmain(String[] args)

{

Poem poem1 =newPoem("The Raven",84);

Couplet poem2 =newCouplet("True Wit");

Limerick poem3 =newLimerick("There was an Old Man with a Beard");

Haiku poem4 =newHaiku("The Wren");

display(poem1);

display(poem2);

display(poem3);

display(poem4);

}

publicstaticvoiddisplay(Poemp)

{

System.out.println("Poem: " + p.getTitle() +

" Lines: "+ p.getLines());

}

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