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...