class Manager extends Employee implements Executive { } The class Manager is extending another…

Answered: 1. Write the class declaration of…

1. Write the class declaration of Manager. 2. What is wrong with this? Executive el - new Executive () ; 3. Which is right? Employee e2 - new Engineer () ; OR Engineer e2 - new Employee ();

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

<<interfac
Employee
Executiv
Manager
Engineer
1. Write the class declaration of Manager.
2. What is wrong with this?
Executive el = new Executive () ;
Ja Va
3. Which is right?
Employee e2 = new Engineer ();
OR
Engineer e2 = new Employee () ;
4. Which is right?
Executive e3 = new Employee ();
OR
Engineer e3 = new Manager ();
5. Draw the UML diagram from the class declaration below.
package mycity;
class Staff ( )
public class EMs extends Staff implements Specialized,
Insurable ( )
6. Write the class code Retiree that is a subclass of Person, and it implements
Comparable interface. It is full class code that MUST be compilable.

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1. Driented Programming Design the class Manager that inherits from the Employee Class (defined in Question 1) and contains the two private data members, managedDepartment of integer type and managerAllowance of double type. Add the following public member methods: 1. One constructor without parameters. 2. One constructor with parameters related to managedDepartment and managerAllowance. 3. getManagedDepartment to return the managedDepartment. 4. getManagerAllowance to return the managerAllowance. 5. PrintEmplnfo to display the manager information data on the standard output. I !! public class Manager extends Employee { int managedDepartment; double managedAllowance%3;