Chapter 5, Problem 7PP

a.

Method heading for each method:

• The method heading is “public int setOnePoint()” that takes no parameters and return the value “1”.
• The method heading is “public int setTwoPoint()” that takes no parameters and return the value “2”.
• The method heading is “public int setThreePoint()” that takes no parameters and return the value “3”.
• The method heading is “public void setStatus(String newname)” that takes a parameters of string type and set the status of the game.
• The method heading is “public String getStatus()” that takes no parameter and returns the status of game...

b.

Preconditions and postconditions of each method:

• Precondition and postcondition of “public int setOnePoint()” method.
  • Precondition: None.
  • Postcondition: This method returns the value “1”.
• Precondition and postcondition of “public int setTwoPoint()” method.
  • Precondition: None.
  • Postcondition: This method returns the value “2”.
• Precondition and postcondition of “public int setThreePoint()” method.
  • Precondition: None.
  • Postcondition: This method returns the value “3”.
• Precondition and postcondition of “public void setStatus(String newname)” method.
  • Precondition: None.
  • Postcondition: This method sets the status of game.
• Precondition and postcondition of “public String getStatus()” method.
  • Precondition: None.
  • Postcondition: This method returns the status of game.
• Precondition and postcondition of “public void setFTScore(int score)” method...

c.

Test class for some Java statement:

//Define the BasketBallTest class

public class BasketBallTest

{

    //Define the main() method

    public static void main(String[] args)

    {

        //Create an object for BasketBall class

        BasketBall BB = new BasketBall();

/*Call readInput() method to read the input from user...

d.

Implementation of class:

BasketBall.java:

//Import the java packages

import java.util.Scanner;

import java.lang.String;

//Define the class

public class BasketBall

{

    //Create an object for Scanner class

    Scanner input = new Scanner(System.in);

    //Declare the required variables

    private String firstTeamName;

    private String secondTeamName;

    private int firstTeamScore = 0;

    private int secondTeamScore = 0;

    private String status;

    private int score;

    private String Tname;

    private int TScore = 0;

    //Define the setStatus() method

    public void setStatus(String newname)

    {

        //Set the status

        status = newname;

    }

    //Define the getStatus() method

    public String getStatus()

    {

        //Return the status

        return status;

    }

    //Define the setFTScore() method

    public void setFTScore(int score)

    {

        //Calculate the first team score

        firstTeamScore = firstTeamScore + score;

    }

    //Define the setSTScore() method

    public void setSTScore(int score)

    {

        //Calculate the second team score

        secondTeamScore = secondTeamScore + score;

    }

    //Define the getFTScore() method

    public int getFTScore()

>&#x...

e.

List of extra methods and attributes needed for this implementation:

There is no extra attributes are needed for this implementation.

The extra methods that were used apart from the mentioned methods are,

• public void setFTName() method:
  • This method is used to initialize the first team name.
• public void setSTName() method:
  • This method is used to initialize the second team name...

f.

Implementation of class:

BasketBall.java:

//Import the java packages

import java.util.Scanner;

import java.lang.String;

//Define the class

public class BasketBall

{

    //Create an object for Scanner class

    Scanner input = new Scanner(System.in);

    //Declare the required variables

    private String firstTeamName;

    private String secondTeamName;

    private int firstTeamScore = 0;

    private int secondTeamScore = 0;

    private String status;

    private int score;

    private String Tname;

    private int TScore = 0;

    //Define the setFTName() method

    public void setFTName(String newname)

    {

        //Set the first team name

        firstTeamName = newname;

    }

    //Define the setSTName() method

    public void setSTName(String newname)

    {

        //Set the second team name

        secondTeamName = newname;

    }

    //Define the getFTName() method

    public String getFTName()

    {

        //Return the first team name

        return firstTeamName;

    }

    //Define the getSTName() method

    public String getSTName()

    {

        //Return the second team name

        return secondTeamName;

    }

    //Define the setStatus() method

    public void setStatus(String newname)

    {

        //Set the status

        status = newname;

    }

    //Define the getStatus() method

    public String getStatus()

    {

        //Return the status

        return status;

    }

    //Define the setFTScore() method

    public void setFTScore(int score)

    {

        //Calculate the first team score

        firstTeamScore = firstTeamScore + score;

    }

    //Define the setSTScore() method

    public void setSTScore(int score)

    {

        //Calculate the second team score

        secondTeamScore = secondTeamScore + score;

    }

    //Define the getFTScore() method

    public int getFTScore()

    {

        //Return the first team score

        return firstTeamScore;

    }

    //Define the getSTScore() method

    public int getSTScore()

    {

        //Return the second team score

        return secondTeamScore;

    }

    //Define the setOnePoint() method

    public int setOnePoint()

    {

        //Return the value "1"

        return 1;

    }

    //Define the setTwoPoint() method

    public int setTwoPoint()

    {

        //Return the value "2"

        return 2;

    }

    //Define the setThreePoint() method

    public int setThreePoint()

    {

        //Return the value "3"

        return 3;

    }

    //Define the readInput() method

    public void readInput()

    {

        //Read the first and second team names from user

        System.out.println("Enter the first team name: ");

        firstTeamName = input.nextLine();

System.out.println("Enter the Second team name: ");

        secondTeamName = input.nextLine();

    }

    //Define the Game() method

    public void Game()

    {

        //Display the header message

        System.out.println("Game started");

        //Read the input to continue the game

System.out.println("Enter 1 to continue the game or 0 to end the game");

        int s = input.nextInt();

        //Loop executes until the "true"

        while (true)

        {

            //Check whether the input is equal to "1"

            if (s == 1)

            {

/*Call the setStatus() method to set the status. */

                setStatus("Progress");

/*Read the input name and score from user. */

System.out.println("Enter the score for example: a 2 : ");

                Tname = input.next();

                TScore = input...