You will write a Java application that implements the concept of Inheritance and Polymorphism. Convert the following diagram into java program code. Execute the program and answer the questions listed below. (SEE IMAGE ATTACHED) StepsCreate five java classes with the given namesApple and Orange classes extends the Fruit classGolden Delicious and McIntosh extends the Apple classProvide common properties for each of the class Provide unique properties to each of the sub classes Enable each of the subclasses to inherit common properties from the super classesCreate instances of Fruit and Orange as described aboveRun the program to answer the asked questions Suppose that Fruit, Apple, Orange, GoldenDelicious, and McIntosh are defined in the followinginheritance hierarchy:FruitAppleOrangeGoldendeliciouslstoshAssume that the following code is given:Fruit fruit = new GoldenDelicious ();Orange orange - new Orange () ;Answer the following questions:a. Is fruit instanceof Fruit?b. Is fruit instanccof Orange?c. Is fruit instanceof Apple?d. Is fruit instanceof GoldenDelicious?e. Is fruit instanceof McIntosh?f. Is orange instanceof Orange?g. Is orange instanceof Fruit?h. Is orange instanceof Apple?i. Suppose the method makeAppleCider is defined in the Apple class. Can fruit invoke thismethod? Can orange invoke this method?j. Suppose the method makeOrangeJuice is defined in the Orange class. Can orange invokethis method? Can fruit invoke this method?k. Is the statement Orange p = new Apple() legal?1. Is the statement McIntosh p = new Apple() legal?m. Is the statement Apple p = new McIntosh() legal?n. True or False: You can always successfully cast an instance of a subclass to a superclass.o. True or False: You can always successfully cast an instance of a superclass to a subclass.

Fruit is the base class and Apple, Orange are inherited from Fruit class and then GoledenDelicious…

Answered: You will write a Java application that…

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

You will write a Java application that implements the concept of Inheritance and Polymorphism.

Convert the following diagram into java program code. Execute the program and answer the questions listed below. (SEE IMAGE ATTACHED)

Steps

Create five java classes with the given names
Apple and Orange classes extends the Fruit class
Golden Delicious and McIntosh extends the Apple class
Provide common properties for each of the class
Provide unique properties to each of the sub classes
Enable each of the subclasses to inherit common properties from the super classes
Create instances of Fruit and Orange as described above
Run the program to answer the asked questions

Suppose that Fruit, Apple, Orange, GoldenDelicious, and McIntosh are defined in the following
inheritance hierarchy:
Fruit
Apple
Orange
Goldendelicious
lstosh
Assume that the following code is given:
Fruit fruit = new GoldenDelicious ();
Orange orange - new Orange () ;
Answer the following questions:
a. Is fruit instanceof Fruit?
b. Is fruit instanccof Orange?
c. Is fruit instanceof Apple?
d. Is fruit instanceof GoldenDelicious?
e. Is fruit instanceof McIntosh?
f. Is orange instanceof Orange?
g. Is orange instanceof Fruit?
h. Is orange instanceof Apple?
i. Suppose the method makeAppleCider is defined in the Apple class. Can fruit invoke this
method? Can orange invoke this method?
j. Suppose the method makeOrangeJuice is defined in the Orange class. Can orange invoke
this method? Can fruit invoke this method?
k. Is the statement Orange p = new Apple() legal?
1. Is the statement McIntosh p = new Apple() legal?
m. Is the statement Apple p = new McIntosh() legal?
n. True or False: You can always successfully cast an instance of a subclass to a superclass.
o. True or False: You can always successfully cast an instance of a superclass to a subclass.

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