Write a program in Java to perform the followings, (i) Design one parent and two child classes. Names of parent and child classes along with the names of their variables and methods should be taken from real-life by yourself. Parent class should have at least two variables, one parameterized constructor and one method to perform any meaningful operation/calculation with the variables. Child classes should have at least one additional variable declared within (ii) (iii) them and one parameterized constructor, and a toString method. (iv) Design another class and a main method inside it. Declare at least one object of each of the two child classes using parameterized constructor. Call the method of the parent class with these objects to perform the particular operation/calculation on these objects and show the result. Display values of all the variables of these objects using toString. Write the Java program using Eclipse IDE, copy and paste the code along with the output in a word file. Then, upload the file in word/pdf format. Zip file is not allowed. Don't copy any design/code from others/text-books/class lectures.

Write a program in Java to perform the followings, (i) Design one parent and two child classes. Names of parent and child classes along with the names of their variables and methods should be taken from real-life by yourself. Parent class should have at least two variables, one parameterized constructor and one method to perform any meaningful operation/calculation with the variables. Child classes should have at least one additional variable declared within (ii) (iii) them and one parameterized constructor, and a toString method. (iv) Design another class and a main method inside it. Declare at least one object of each of the two child classes using parameterized constructor. Call the method of the parent class with these objects to perform the particular operation/calculation on these objects and show the result. Display values of all the variables of these objects using toString. Write the Java program using Eclipse IDE, copy and paste the code along with the output in a word file. Then, upload the file in word/pdf format. Zip file is not allowed. Don't copy any design/code from others/text-books/class lectures.

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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Concept explainers

OOPs

In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.

Constructor

The easiest way to think of a constructor in object-oriented programming (OOP) languages is:

Question

Write a program in Java to perform the followings,
(i)
Design one parent and two child classes. Names of parent and child
classes along with the names of their variables and methods should be
taken from real-life by yourself.
Parent class should have at least two variables, one parameterized
constructor and one method to perform any meaningful
operation/calculation with the variables.
Child classes should have at least one additional variable declared within
(ii)
(iii)
them and one parameterized constructor, and a toString method.
(iv) Design another class and a main method inside it. Declare at least one
object of each of the two child classes using parameterized constructor.
Call the method of the parent class with these objects to perform the
particular operation/calculation on these objects and show the result.
Display values of all the variables of these objects using toString.
Write the Java program using Eclipse IDE, copy and paste the code along with the
output in a word file. Then, upload the file in word/pdf format. Zip file is not
allowed. Don't copy any design/code from others/text-books/class lectures.

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