After reading all L02 content pages in Lesson 02: Inheritance and Interfaces, you will complete this assignment according to the information below.Do not use the scanner class or any other user input request. You application should be self-contained and run without user input.Assignment ObjectivesPractice on implementing interfaces in JavaFootballPlayer will implement the interface TableMemberOverriding methodswhen FootballPlayer implements TableMember, FootballPlayer will have to write the real Java code for all the interface abstract methodsDeliverablesA zipped Java project according to the How to submit Labs and Assignments guide.O.O. Requirements (these items will be part of your grade)One class, one file. Don't create multiple classes in the same .java fileDon't use static variables and methodsEncapsulation: make sure you protect your class variables and provide access to them through get and set methodsAll the classes are required to have a constructor that receives all the attributes as parameters and update the attributes accordinglyAll the classes are required to have an "empty" constructor that receives no parameters but updates all the attributes as neededFollow Horstmann's Java Language Coding GuidelinesOrganized in packages (MVC - Model - View Controller)Contents

Answers

Answer 1

Solution :

App.java:  

import Controller.Controller;

import Model.Model;

import View.View;  

public class App

{  

public static void main(String[] args) // Main method

{  

Model model = new Model(); // Creates model object.    

View view = new View(); // Creates view object.    

Controller controller = new Controller(view, model); // Creates controller object that accepts view and model objects.    

}

}  

[tex]\text{Controller.java:}[/tex]  

package Controller;  

[tex]\text{impor}t \text{ Model.Model;}[/tex]

import View.View;  

[tex]\text{public class Controller}[/tex]

{

Model model; // Model object    

View view; // View object

public Controller(View v, Model m) // Method that imports both model and view classes as objects.

{

model = m;    

view = v;  

//view.basicDisplay(model.getData()); // basicDisplay method from View class prints FootballPlayer objects as Strings from Model class.  

view.basicDisplay(model.getMembers().get(1).getAttributeName(3));    

view.basicDisplay(model.getMembers().get(1).getAttribute(3));    

view.basicDisplay(model.getMembers().get(1).getAttributeNames());    

view.basicDisplay(model.getMembers().get(1).getAttributes());    

view.basicDisplay("size of names=" + model.getMembers().get(1).getAttributeNames().size());    

view.basicDisplay("size of attributes=" + model.getMembers().get(1).getAttributes().size());

}  

}  

FootballPlayer.java:

package Model;  

import java.util.ArrayList;  

public class FootballPlayer extends Person implements TableMember { // Used "extends" keyword to inherit attributes from superclass Person, while using "implements" to implement methods from TableMember interface.    

private int number; // Creating private attribute for int number.    

private String position; // Creating private attribute for String position.  

public FootballPlayer(String name, int feet, int inches, int weight, String hometown, String highSchool, int number, String position) // Full parameter constructor for FootballPlayer object (using "super" keyword to incorporate attributes from superclass).

{

super(name, feet, inches, weight, hometown, highSchool); // Used super keyword to include attributes from superclass.  

this.number = number; // Value assigned from getNumber method to private number instance variable for FootballPlayer object.  

this.position = position; // Value assigned from getPosition method to private position instance variable for FootballPlayer object.    

}  

public FootballPlayer() // No parameter constructor for FootballPlayer object.

{

this.number = 0; // Default value assigned to private number instance variable under no parameter constructor for FootballPlayer object.    

this.position = "N/A"; // Default value assigned to private position instance variable under no parameter constructor for FootballPlayer object.    

}  

Override

public String getAttribute(int n) // getAttribute method that is implemented from interface.

{

switch (n) { // Switch statement for each attribute from each FootballPlayer object. Including two local attributes, denoted by this. While the others are denoted by "super".

case 0:

return String.valueOf(this.number); // Use of the dot operator allowed me to discover String.valueOf method to output int attributes as a string.

case 1:

return this.position;

case 2:

return super.getName();

case 3:

return super.getHeight().toString();

case 4:

return String.valueOf(super.getWeight());

case 5:

return super.getHometown();

case 6:

return super.getHighSchool();

default:

return ("invalid input parameter");

}

}  

Override

public ArrayList<String> getAttributes() // getAttributes ArrayList method that is implemented from interface.

{

ArrayList<String> getAttributes = new ArrayList<>();    

for(int i = 0; i <= 6; i++){ // For loop to add each attribute to the getAttributes ArrayList from getAttributes method.    

getAttributes.add(getAttribute(i));    

}    

return getAttributes;

}  

Override

public String getAttributeName(int n) // getAttributeName method implemented from interface.

{

switch (n) { // Switch statement for the name of each attribute from each FootballPlayer object.

case 0:

return "number";

case 1:

return "position";

case 2:

return "name";

case 3:

return "height";

case 4:

return "weight";

case 5:

return "hometown";

case 6:

return "highSchool";

default:

return ("invalid input parameter");

}  

}  


Related Questions

Reverse Word Order: Write a program that reverses the order of the words in a given sentence. This program requires reversing the order of the words wherein the first and last words are swapped, followed by swapping the second word with the second to last word, followed by swapping the third word and the third to last words, and so on.

Answers

Answer:

function reverseArray(arr) {

   if (arr.length > 1) {

      arr = [arr[arr.length-1], ...reverseArray(arr.slice(1, -1)), arr[0]]

   }

   return arr;

}

function reverseSentence(sentence) {

   let words = reverseArray( sentence.split(" ") );

   return words.join(" ");

}

console.log( reverseSentence("The quick brown fox jumps over the lazy dog's back") );

console.log( reverseSentence("one two three") );

console.log( reverseSentence("one two") );

console.log( reverseSentence("Single") );

Explanation:

This is a solution in javascript leveraging several powerful constructs in that language, such as the spread operator.

HELP ITS A TESTTT!!!Which symbol shows auto correct is in use?

A-a white light bulb
B-A green plus sign
C-A flashing red circle
D-A yellow lightning bolt

Answers

After careful consideration the answer to this problem looks to be D

Answer:

D

Explanation:

The _________ attack exploits the common use of a modular exponentiation algorithm in RSA encryption and decryption, but can be adapted to work with any implementation that does not run in fixed time.
A. mathematical.
B. timing.
C. chosen ciphertext.
D. brute-force.

Answers

Answer:

chosen ciphertext

Explanation:

Chosen ciphertext attack is a scenario in which the attacker has the ability to choose ciphertexts C i and to view their corresponding decryptions – plaintexts P i . It is essentially the same scenario as a chosen plaintext attack but applied to a decryption function, instead of the encryption function.

Cyber attack usually associated with obtaining decryption keys that do not run in fixed time is called the chosen ciphertext attack.

Theae kind of attack is usually performed through gathering of decryption codes or key which are associated to certain cipher texts

The attacker would then use the gathered patterns and information to obtain the decryption key to the selected or chosen ciphertext.

Hence, chosen ciphertext attempts the use of modular exponentiation.

Learn more : https://brainly.com/question/14826269

Write a c++ program to find;
(I). the perimeter of rectangle.
(ii). the circumference of a circle.

Note:
(1). all the programs must allow the user to make his input .
(2).both programs must have both comment using the single line comment or the multiple line comment to give description to both programs.​

Answers

Answer:

Perimeter:

{ \tt{perimeter = 2(l + w)}}

Circumference:

{ \tt{circumference = 2\pi \: r}}

Just input the codes in the notepad

The compound known as butylated hydroxytoluene, abbreviated as BHT, contains carbon, hydrogen, and oxygen. A 1.501 g sample of BHT was combusted in an oxygen rich environment to produce 4.497 g of CO2(g) and 1.473 g of H2O(g). Insert subscripts below to appropriately display the empirical formula of BHT.

Answers

Answer:

C15H24O

Explanation:

n(C) = 4.497 g/44g/mol = 0.1022

Mass of C = 0.1022 × 12 = 1.226 g

n(H) = 1.473g/18 g/mol = 0.0823 ×2 moles = 0.165 moles

Mass of H = 0.0823 × 2 ×1 = 0.165g

Mass of O= 1.501 -(1.226 + 0.165)

Mass of O= 0.11 g

Number of moles of O = 0.11g/16g/mol = 0.0069 moles

Dividing through by the lowest ratio;

0.1022/0.0069, 0.165/0.0069, 0.0069/0.0069

15, 24, 1

Hence the formula is;

C15H24O

Answer

The formula is C1SH240

Your IaaS cloud company has announced that there will be a brief outage for regularly scheduled maintenance over the weekend to apply a critical hotfix to vital infrastructure. What are the systems they may be applying patches to

Answers

Answer: Load Balancer

Hypervisor

Router

Explanation:

The systems that they may be applying the patches to include load balancer, hypervisor and router.

The load balancer will help in the distribution of a set of tasks over the resources, in order to boost efficiency with regards to processing.

A hypervisor is used for the creation and the running of virtual machines. The router helps in the connection of the computers and the other devices to the Internet.

Write a method that prints on the screen a message stating whether 2 circles touch each other, do not touch each other or intersect. The method accepts the coordinates of the center of the first circle and its radius, and the coordinates of the center of the second circle and its radius.

The header of the method is as follows:

public static void checkIntersection(double x1, double y1, double r1, double x2, double y2, double r2)


Hint:

Distance between centers C1 and C2 is calculated as follows:
d = Math.sqrt((x1 - x2)2 + (y1 - y2)2).

There are three conditions that arise:

1. If d == r1 + r2
Circles touch each other.
2. If d > r1 + r2
Circles do not touch each other.
3. If d < r1 + r2
Circles intersect.

Answers

Answer:

The method is as follows:

public static void checkIntersection(double x1, double y1, double r1, double x2, double y2, double r2){

    double d = Math.sqrt(Math.pow((x1 - x2),2) + Math.pow((y1 - y2),2));

    if(d == r1 + r2){

        System.out.print("The circles touch each other");     }

    else if(d > r1 + r2){

        System.out.print("The circles do not touch each other");     }

    else{

        System.out.print("The circles intersect");     }

}

Explanation:

This defines the method

public static void checkIntersection(double x1, double y1, double r1, double x2, double y2, double r2){

This calculate the distance

    double d = Math.sqrt(Math.pow((x1 - x2),2) + Math.pow((y1 - y2),2));

If the distance equals the sum of both radii, then the circles touch one another

    if(d == r1 + r2){

        System.out.print("The circles touch each other");     }

If the distance is greater than the sum of both radii, then the circles do not touch one another

   else if(d > r1 + r2){

        System.out.print("The circles do not touch each other");     }

If the distance is less than the sum of both radii, then the circles intersect

   else{

        System.out.print("The circles intersect");     }

}

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