QI. Inheritance System A/ Write the java code of the interface IComputer that contains the followings: • The property IPAdress (number) with get and set assessors. • The method Cost(0 that returns the total cost of a computer (PriceComputer + Tax). Tax 5%. B/ Write the java code of the abstract class Computer that contains the followings: • 4 protected attributes: O Numc, integer o SpeedCPU, number O Ram, number O PriceComputer, double A constructor that initializes the attributes of the class. A public property (with both set and get accessors) called Price, which is used to initialize the PriceComputer. Check if the Price is positive (0). A virtual method PrintInfo() that prints the values of the attributes of the class. i need solve only part C,D C/ Write the java code of the class Server that inherits the base class Computer and implements the interface IComputer, and contains the followings: • A private attribute ipadress (number) • Constructor that initializes all the attributes of the class. • Override the method PrintInfo() that displays the values of the attributes of the class. • Override and implement all the inherited methods and properties (form the inherited class and the implemented class). D/ In the main method: • Create an object of the class Computer; • Create an array cmp of type Server and size 2; • Create 2 objects of Server; Store these objects in the array Cmp; • Print the information of the stored objects in the array Cmp;
QI. Inheritance System A/ Write the java code of the interface IComputer that contains the followings: • The property IPAdress (number) with get and set assessors. • The method Cost(0 that returns the total cost of a computer (PriceComputer + Tax). Tax 5%. B/ Write the java code of the abstract class Computer that contains the followings: • 4 protected attributes: O Numc, integer o SpeedCPU, number O Ram, number O PriceComputer, double A constructor that initializes the attributes of the class. A public property (with both set and get accessors) called Price, which is used to initialize the PriceComputer. Check if the Price is positive (0). A virtual method PrintInfo() that prints the values of the attributes of the class. i need solve only part C,D C/ Write the java code of the class Server that inherits the base class Computer and implements the interface IComputer, and contains the followings: • A private attribute ipadress (number) • Constructor that initializes all the attributes of the class. • Override the method PrintInfo() that displays the values of the attributes of the class. • Override and implement all the inherited methods and properties (form the inherited class and the implemented class). D/ In the main method: • Create an object of the class Computer; • Create an array cmp of type Server and size 2; • Create 2 objects of Server; Store these objects in the array Cmp; • Print the information of the stored objects in the array Cmp;
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
Transcribed Image Text:QI. Inheritance System
A/
Write the java code of the interface IComputer that contains the followings:
The property IPAdress (number) with get and set assessors.
• The method Cost() that returns the total cost of a computer (PriceComputer + Tax).
Тах 5%.
B/
Write the java code of the abstract class Computer that contains the followings:
4 protected attributes :
O Numc, integer
o SpeedCPU, number
O Ram, number
i need solve only part C,D
PriceComputer, double
A constructor that initializes the attributes of the class.
• A public property (with both set and get accessors) called Price, which is used to
initialize the PriceComputer. Check if the Price is positive (>0).
• A virtual method PrintInfo() that prints the values of the attributes of the class.
C/
Write the java code of the class Server that inherits the base class Computer and
implements the interface IComputer, and contains the followings:
• A private attribute ipadress (number)
Constructor that initializes all the attributes of the class.
Override the method PrintInfo() that displays the values of the attributes of the
class.
• Override and implement all the inherited methods and properties (form the
inherited class and the implemented class).
D/
In the main method:
• Create an object of the class Computer;
• Create an array Cmp of type Server and size 2;
• Create 2 objects of Server;
• Store these objects in the array Cmp;
Print the information of the stored objects in the array Cmp;
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