Using JAVA language complete the following tasks inside the Employee class: Consider a base class named Employee and its derived classes HourlyEmployee and PermanentEmployee while taking into account the following criteria. Employee class has three data fields i.e. a name (of type string) and specific empID (of type integer), and hourlyincome. Two Constructors i) No argument Constructor ii) Three argument Constructor A Method earnings() that returns the income of employee. It has a toString method, which returns a string in the following format. Employee: Ali (ID: 786), Income: 90000 PKR The derived classes (HourlyEmployee) has an attribute named totalHours. Both the classes (HourlyEmployee and PermanentEmployee) have a no argument constructor and a three-argument constructors to initialize the hourlyIncome as well as data fields of the base class. The id, name, and hourlyincome should be initialized using the constructor of the employee class (Show the appropriate use of super keyword) The totalHours for HourlyEmployee should be input from user right inside the constructor Override Method earning() in HourlyEmployee and permanenetEmployee to calculate the income of an employee for the actual number of hours he or she worked. Note, the income for Employee/PermanentEmployee objects are paid for exact 180 hours, no matter how many actual hours he or she worked. Implement the toString Method for both classes. The method should return the string formatted according to following for each class: The Test Class: Develop the main() method inside the employee class, create an instance of Employee class in addition to both classes (i.e. HourlyEmployee and PermanentEmployee) with the data of your own choice. Test the working of functions that calculate the total income of an employee. Test the toString methods of both classes by printing both objects in a print statement.

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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Using JAVA language complete the following tasks inside the Employee class:

Consider a base class named Employee and its derived classes HourlyEmployee and PermanentEmployee while taking into account the following criteria.

- Employee class has three data fields i.e. a name (of type string) and specific empID (of type integer), and hourlyincome.
- Two Constructors i) No argument Constructor ii) Three argument Constructor
- A Method earnings() that returns the income of employee.
- It has a toString method, which returns a string in the following format.
  1. Employee: Ali (ID: 786), Income: 90000 PKR
- The derived classes (HourlyEmployee) has an attribute named totalHours.
- Both the classes (HourlyEmployee and PermanentEmployee) have a no argument constructor and a three-argument constructors to initialize the hourlyIncome as well as data fields of the base class.
  1. The id, name, and hourlyincome should be initialized using the constructor of the employee class (Show the appropriate use of super keyword)
  2. The totalHours for HourlyEmployee should be input from user right inside the constructor
- Override Method earning() in HourlyEmployee and permanenetEmployee to calculate the income of an employee for the actual number of hours he or she worked. Note, the income for Employee/PermanentEmployee objects are paid for exact 180 hours, no matter how many actual hours he or she worked.
- Implement the toString Method for both classes. The method should return the string formatted according to following for each class:

The Test Class:

Develop the main() method inside the employee class, create an instance of Employee class in addition to both classes (i.e. HourlyEmployee and PermanentEmployee) with the data of your own choice.
Test the working of functions that calculate the total income of an employee.
Test the toString methods of both classes by printing both objects in a print statement.

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