of following program (java-oop) public class Movie { private String rating; private int ID; private String title; public Movie() { rating = ""; ID = 0; title = ""; 7/3 } public Movie(String aRating, int aID, String aTitle) { rating = aRating; ID = aID; title = aTitle; } public String getRating() { return rating; } public void setRating(String aRating) { } rating = aRating; public int getID() { return ID; } public void setID(int aID) { ID = aID; } public String getTitle() { return title; } public void setTitle(String aTitle) { title = aTitle; } public double calcLateFees(int days) { return 2.0 * days; } public boolean equals(Object obj) { if(obj == null) return false; else if(getClass() != obj.getClass()) { } } Movie other = (Movie)obj; return (rating.equals(other.rating) && ID == other.ID && title.equals(other.title)); return false; else public String toString() 8/3 } } { return "\nMPAA Rating: " + rating + "\nID Number: " + ID + "\nMovie Title: " + title; // Action.java public class Action extends Movie { public Action() { super(); } public Action(String aRating, int aID, String aTitle) { } super(aRating, aID, aTitle); public double calcLateFees(int days) { return 3.0 * days; } } // Comedy.java public class Comedy extends Movie { public Comedy() { super(); } public Come

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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Write dry run of following program (java-oop) public class Movie { private String rating; private int ID; private String title; public Movie() { rating = ""; ID = 0; title = ""; 7/3 } public Movie(String aRating, int aID, String aTitle) { rating = aRating; ID = aID; title = aTitle; } public String getRating() { return rating; } public void setRating(String aRating) { } rating = aRating; public int getID() { return ID; } public void setID(int aID) { ID = aID; } public String getTitle() { return title; } public void setTitle(String aTitle) { title = aTitle; } public double calcLateFees(int days) { return 2.0 * days; } public boolean equals(Object obj) { if(obj == null) return false; else if(getClass() != obj.getClass()) { } } Movie other = (Movie)obj; return (rating.equals(other.rating) && ID == other.ID && title.equals(other.title)); return false; else public String toString() 8/3 } } { return "\nMPAA Rating: " + rating + "\nID Number: " + ID + "\nMovie Title: " + title; // Action.java public class Action extends Movie { public Action() { super(); } public Action(String aRating, int aID, String aTitle) { } super(aRating, aID, aTitle); public double calcLateFees(int days) { return 3.0 * days; } } // Comedy.java public class Comedy extends Movie { public Comedy() { super(); } public Comedy(String aRating, int aID, String aTitle) { super(aRating, aID, aTitle); } public double calcLateFees(int days) { return 2.5 * days; } } // Drama.java public class Drama extends Movie { public Drama() { super(); } } } // MovieTest.java public Drama(String aRating, int aID, String aTitle) { super(aRating, aID, aTitle); } public double calcLateFees(int days) { return 2.0 * days; 9/3 public class MovieTest { public static void main(String[] args) { Movie movie = new Movie("PG-13", 3691, "Norm of the North"); Action action = new Action("G", 2587, "Eye In The Sky"); Comedy comedy = new Comedy("R", 7989, "Kung Fu Panda 3"); Drama drama = new Drama("PG-13", 4563, "Batman v Superman"); System.out.println(movie); System.out.println("Late Fee: $" + movie.calcLateFees(6)); System.out.println(action); System.out .println("Late Fee: $" + action.calcLateFees(6)); } } System.out.println(comedy); System.out .println("Late Fee: $" + comedy.calcLateFees(6)); System.out.println(drama); System.out.println("Late Fee: $" + drama.calcLateFees(6)); } }

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