Game: connect four Program Plan: Define the class named “Exercise08_20”. Define the “Scanner” object “obj” for input. Define main method. Declare the two dimensional array “brd” in type of character. Call the “print_board()” method to print default board. Using “while” loop, Call the “Disk_drop()” method which passes “R” and “brd” as parameter. Print the board. Using “if…else” condition, call the methods and print appropriate statement on screen. Call the “Disk_drop()” method which passes “Y” and “brd” as parameter. Print the board. Using “if…else” condition, call the methods and print appropriate statement on screen. Define the method “Disk_drop()” which passes “player” and “brd[][]” as parameters. Declare the Boolean variable “done” and assign “false” into it. Using “do…while” loop, Prompt and get the input for “column” from user. Call the method “Disk_place()” which passes board “brd”, column “column”, and player “player” as parameter in “if” condition. Assign “true” to variable “done”. Else print appropriate statement on screen. Define the method “Disk_place()” which passes board “brd”, column “col”, and player “player” as parameter. Using “for” loop, assign value of “player” into “brd[][]”. Return appropriate Boolean value. Define the method “print_board()” which passes board “brd[][]” as parameter. Using “for” loops, print the board on screen. Define the method “isWon()” which passes board “brd[][]” as parameter. Call the method “isConsecutiveFour()” method which passes “brd” as parameter and return the resultant value. Define the method “isDraw()” which passes board “brd[][]” as parameter. Using “for” loops, check the board value and pass the resultant value. Define the method “isConsecutiveFour()” which passes “values[][]” as parameter. Declare and initialize the variables “numberOfRows” and “numberOfColumns” in type of integer. Using “for” loops check rows, columns, major diagonal for lower part, major diagonal for upper part, sub diagonal for left part, sub diagonal for right part, major diagonal for upper part. Return the appropriate value to calling function. Define the method “isConsecutiveFour()” which passes “val[]” as parameter. Using “for” loops check the values of board and return the resultant value.

Question

Write the SQL code that permits to implement the tables: Student and Transcript. NB: Add the constraints on the attributes – keys and other.

Answer 1

Question

Chapter 8, Problem 8.20PE

Program Plan Intro

Game: connect four

Program Plan:

Define the class named “Exercise08_20”.

Define the “Scanner” object “obj” for input.

Define main method.

Declare the two dimensional array “brd” in type of character.

Call the “print_board()” method to print default board.

Using “while” loop,

Call the “Disk_drop()” method which passes “R” and “brd” as parameter.

Print the board.

Using “if…else” condition, call the methods and print appropriate statement on screen.

Call the “Disk_drop()” method which passes “Y” and “brd” as parameter.

Print the board.

Using “if…else” condition, call the methods and print appropriate statement on screen.

Define the method “Disk_drop()” which passes “player” and “brd[][]” as parameters.

Declare the Boolean variable “done” and assign “false” into it.

Using “do…while” loop,

Prompt and get the input for “column” from user.

Call the method “Disk_place()” which passes board “brd”, column “column”, and player “player” as parameter in “if” condition.

Assign “true” to variable “done”.

Else print appropriate statement on screen.

Define the method “Disk_place()” which passes board “brd”, column “col”, and player “player” as parameter.

Using “for” loop, assign value of “player” into “brd[][]”.

Return appropriate Boolean value.

Define the method “print_board()” which passes board “brd[][]” as parameter.

Using “for” loops, print the board on screen.

Define the method “isWon()” which passes board “brd[][]” as parameter.

Call the method “isConsecutiveFour()” method which passes “brd” as parameter and return the resultant value.

Define the method “isDraw()” which passes board “brd[][]” as parameter.

Using “for” loops, check the board value and pass the resultant value.

Define the method “isConsecutiveFour()” which passes “values[][]” as parameter.

Declare and initialize the variables “numberOfRows” and “numberOfColumns” in type of integer.

Using “for” loops check rows, columns, major diagonal for lower part, major diagonal for upper part, sub diagonal for left part, sub diagonal for right part, major diagonal for upper part.

Return the appropriate value to calling function.

Define the method “isConsecutiveFour()” which passes “val[]” as parameter.

Using “for” loops check the values of board and return the resultant value.

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Answer 2

Question

Chapter 8, Problem 8.20PE

Program Plan Intro

Game: connect four

Program Plan:

Define the class named “Exercise08_20”.

Define the “Scanner” object “obj” for input.

Define main method.

Declare the two dimensional array “brd” in type of character.

Call the “print_board()” method to print default board.

Using “while” loop,

Call the “Disk_drop()” method which passes “R” and “brd” as parameter.

Print the board.

Using “if…else” condition, call the methods and print appropriate statement on screen.

Call the “Disk_drop()” method which passes “Y” and “brd” as parameter.

Print the board.

Using “if…else” condition, call the methods and print appropriate statement on screen.

Define the method “Disk_drop()” which passes “player” and “brd[][]” as parameters.

Declare the Boolean variable “done” and assign “false” into it.

Using “do…while” loop,

Prompt and get the input for “column” from user.

Call the method “Disk_place()” which passes board “brd”, column “column”, and player “player” as parameter in “if” condition.

Assign “true” to variable “done”.

Else print appropriate statement on screen.

Define the method “Disk_place()” which passes board “brd”, column “col”, and player “player” as parameter.

Using “for” loop, assign value of “player” into “brd[][]”.

Return appropriate Boolean value.

Define the method “print_board()” which passes board “brd[][]” as parameter.

Using “for” loops, print the board on screen.

Define the method “isWon()” which passes board “brd[][]” as parameter.

Call the method “isConsecutiveFour()” method which passes “brd” as parameter and return the resultant value.

Define the method “isDraw()” which passes board “brd[][]” as parameter.

Using “for” loops, check the board value and pass the resultant value.

Define the method “isConsecutiveFour()” which passes “values[][]” as parameter.

Declare and initialize the variables “numberOfRows” and “numberOfColumns” in type of integer.

Using “for” loops check rows, columns, major diagonal for lower part, major diagonal for upper part, sub diagonal for left part, sub diagonal for right part, major diagonal for upper part.

Return the appropriate value to calling function.

Define the method “isConsecutiveFour()” which passes “val[]” as parameter.

Using “for” loops check the values of board and return the resultant value.

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Answer 3

Question

Chapter 8, Problem 8.20PE

Program Plan Intro

Game: connect four

Program Plan:

Define the class named “Exercise08_20”.

Define the “Scanner” object “obj” for input.

Define main method.

Declare the two dimensional array “brd” in type of character.

Call the “print_board()” method to print default board.

Using “while” loop,

Call the “Disk_drop()” method which passes “R” and “brd” as parameter.

Print the board.

Using “if…else” condition, call the methods and print appropriate statement on screen.

Call the “Disk_drop()” method which passes “Y” and “brd” as parameter.

Print the board.

Using “if…else” condition, call the methods and print appropriate statement on screen.

Define the method “Disk_drop()” which passes “player” and “brd[][]” as parameters.

Declare the Boolean variable “done” and assign “false” into it.

Using “do…while” loop,

Prompt and get the input for “column” from user.

Call the method “Disk_place()” which passes board “brd”, column “column”, and player “player” as parameter in “if” condition.

Assign “true” to variable “done”.

Else print appropriate statement on screen.

Define the method “Disk_place()” which passes board “brd”, column “col”, and player “player” as parameter.

Using “for” loop, assign value of “player” into “brd[][]”.

Return appropriate Boolean value.

Define the method “print_board()” which passes board “brd[][]” as parameter.

Using “for” loops, print the board on screen.

Define the method “isWon()” which passes board “brd[][]” as parameter.

Call the method “isConsecutiveFour()” method which passes “brd” as parameter and return the resultant value.

Define the method “isDraw()” which passes board “brd[][]” as parameter.

Using “for” loops, check the board value and pass the resultant value.

Define the method “isConsecutiveFour()” which passes “values[][]” as parameter.

Declare and initialize the variables “numberOfRows” and “numberOfColumns” in type of integer.

Using “for” loops check rows, columns, major diagonal for lower part, major diagonal for upper part, sub diagonal for left part, sub diagonal for right part, major diagonal for upper part.

Return the appropriate value to calling function.

Define the method “isConsecutiveFour()” which passes “val[]” as parameter.

Using “for” loops check the values of board and return the resultant value.

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Answer 4

Question

Chapter 8, Problem 8.20PE

Program Plan Intro

Game: connect four

Program Plan:

Define the class named “Exercise08_20”.

Define the “Scanner” object “obj” for input.

Define main method.

Declare the two dimensional array “brd” in type of character.

Call the “print_board()” method to print default board.

Using “while” loop,

Call the “Disk_drop()” method which passes “R” and “brd” as parameter.

Print the board.

Using “if…else” condition, call the methods and print appropriate statement on screen.

Call the “Disk_drop()” method which passes “Y” and “brd” as parameter.

Print the board.

Using “if…else” condition, call the methods and print appropriate statement on screen.

Define the method “Disk_drop()” which passes “player” and “brd[][]” as parameters.

Declare the Boolean variable “done” and assign “false” into it.

Using “do…while” loop,

Prompt and get the input for “column” from user.

Call the method “Disk_place()” which passes board “brd”, column “column”, and player “player” as parameter in “if” condition.

Assign “true” to variable “done”.

Else print appropriate statement on screen.

Define the method “Disk_place()” which passes board “brd”, column “col”, and player “player” as parameter.

Using “for” loop, assign value of “player” into “brd[][]”.

Return appropriate Boolean value.

Define the method “print_board()” which passes board “brd[][]” as parameter.

Using “for” loops, print the board on screen.

Define the method “isWon()” which passes board “brd[][]” as parameter.

Call the method “isConsecutiveFour()” method which passes “brd” as parameter and return the resultant value.

Define the method “isDraw()” which passes board “brd[][]” as parameter.

Using “for” loops, check the board value and pass the resultant value.

Define the method “isConsecutiveFour()” which passes “values[][]” as parameter.

Declare and initialize the variables “numberOfRows” and “numberOfColumns” in type of integer.

Using “for” loops check rows, columns, major diagonal for lower part, major diagonal for upper part, sub diagonal for left part, sub diagonal for right part, major diagonal for upper part.

Return the appropriate value to calling function.

Define the method “isConsecutiveFour()” which passes “val[]” as parameter.

Using “for” loops check the values of board and return the resultant value.

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Answer 5

Chapter 8, Problem 8.20PE

Program Plan Intro

Game: connect four

Program Plan:

Define the class named “Exercise08_20”.

Define the “Scanner” object “obj” for input.

Define main method.

Declare the two dimensional array “brd” in type of character.

Call the “print_board()” method to print default board.

Using “while” loop,

Call the “Disk_drop()” method which passes “R” and “brd” as parameter.

Print the board.

Using “if…else” condition, call the methods and print appropriate statement on screen.

Call the “Disk_drop()” method which passes “Y” and “brd” as parameter.

Print the board.

Using “if…else” condition, call the methods and print appropriate statement on screen.

Define the method “Disk_drop()” which passes “player” and “brd[][]” as parameters.

Declare the Boolean variable “done” and assign “false” into it.

Using “do…while” loop,

Prompt and get the input for “column” from user.

Call the method “Disk_place()” which passes board “brd”, column “column”, and player “player” as parameter in “if” condition.

Assign “true” to variable “done”.

Else print appropriate statement on screen.

Define the method “Disk_place()” which passes board “brd”, column “col”, and player “player” as parameter.

Using “for” loop, assign value of “player” into “brd[][]”.

Return appropriate Boolean value.

Define the method “print_board()” which passes board “brd[][]” as parameter.

Using “for” loops, print the board on screen.

Define the method “isWon()” which passes board “brd[][]” as parameter.

Call the method “isConsecutiveFour()” method which passes “brd” as parameter and return the resultant value.

Define the method “isDraw()” which passes board “brd[][]” as parameter.

Using “for” loops, check the board value and pass the resultant value.

Define the method “isConsecutiveFour()” which passes “values[][]” as parameter.

Declare and initialize the variables “numberOfRows” and “numberOfColumns” in type of integer.

Using “for” loops check rows, columns, major diagonal for lower part, major diagonal for upper part, sub diagonal for left part, sub diagonal for right part, major diagonal for upper part.

Return the appropriate value to calling function.

Define the method “isConsecutiveFour()” which passes “val[]” as parameter.

Using “for” loops check the values of board and return the resultant value.

Answer 6

Chapter 8, Problem 8.20PE

Program Plan Intro

Game: connect four

Program Plan:

Define the class named “Exercise08_20”.

Define the “Scanner” object “obj” for input.

Define main method.

Declare the two dimensional array “brd” in type of character.

Call the “print_board()” method to print default board.

Using “while” loop,

Call the “Disk_drop()” method which passes “R” and “brd” as parameter.

Print the board.

Using “if…else” condition, call the methods and print appropriate statement on screen.

Call the “Disk_drop()” method which passes “Y” and “brd” as parameter.

Print the board.

Using “if…else” condition, call the methods and print appropriate statement on screen.

Define the method “Disk_drop()” which passes “player” and “brd[][]” as parameters.

Declare the Boolean variable “done” and assign “false” into it.

Using “do…while” loop,

Prompt and get the input for “column” from user.

Call the method “Disk_place()” which passes board “brd”, column “column”, and player “player” as parameter in “if” condition.

Assign “true” to variable “done”.

Else print appropriate statement on screen.

Define the method “Disk_place()” which passes board “brd”, column “col”, and player “player” as parameter.

Using “for” loop, assign value of “player” into “brd[][]”.

Return appropriate Boolean value.

Define the method “print_board()” which passes board “brd[][]” as parameter.

Using “for” loops, print the board on screen.

Define the method “isWon()” which passes board “brd[][]” as parameter.

Call the method “isConsecutiveFour()” method which passes “brd” as parameter and return the resultant value.

Define the method “isDraw()” which passes board “brd[][]” as parameter.

Using “for” loops, check the board value and pass the resultant value.

Define the method “isConsecutiveFour()” which passes “values[][]” as parameter.

Declare and initialize the variables “numberOfRows” and “numberOfColumns” in type of integer.

Using “for” loops check rows, columns, major diagonal for lower part, major diagonal for upper part, sub diagonal for left part, sub diagonal for right part, major diagonal for upper part.

Return the appropriate value to calling function.

Define the method “isConsecutiveFour()” which passes “val[]” as parameter.

Using “for” loops check the values of board and return the resultant value.

Answer 7

Chapter 8, Problem 8.20PE

Program Plan Intro

Game: connect four

Program Plan:

Define the class named “Exercise08_20”.

Define the “Scanner” object “obj” for input.

Define main method.

Declare the two dimensional array “brd” in type of character.

Call the “print_board()” method to print default board.

Using “while” loop,

Call the “Disk_drop()” method which passes “R” and “brd” as parameter.

Print the board.

Using “if…else” condition, call the methods and print appropriate statement on screen.

Call the “Disk_drop()” method which passes “Y” and “brd” as parameter.

Print the board.

Using “if…else” condition, call the methods and print appropriate statement on screen.

Define the method “Disk_drop()” which passes “player” and “brd[][]” as parameters.

Declare the Boolean variable “done” and assign “false” into it.

Using “do…while” loop,

Prompt and get the input for “column” from user.

Call the method “Disk_place()” which passes board “brd”, column “column”, and player “player” as parameter in “if” condition.

Assign “true” to variable “done”.

Else print appropriate statement on screen.

Define the method “Disk_place()” which passes board “brd”, column “col”, and player “player” as parameter.

Using “for” loop, assign value of “player” into “brd[][]”.

Return appropriate Boolean value.

Define the method “print_board()” which passes board “brd[][]” as parameter.

Using “for” loops, print the board on screen.

Define the method “isWon()” which passes board “brd[][]” as parameter.

Call the method “isConsecutiveFour()” method which passes “brd” as parameter and return the resultant value.

Define the method “isDraw()” which passes board “brd[][]” as parameter.

Using “for” loops, check the board value and pass the resultant value.

Define the method “isConsecutiveFour()” which passes “values[][]” as parameter.

Declare and initialize the variables “numberOfRows” and “numberOfColumns” in type of integer.

Using “for” loops check rows, columns, major diagonal for lower part, major diagonal for upper part, sub diagonal for left part, sub diagonal for right part, major diagonal for upper part.

Return the appropriate value to calling function.

Define the method “isConsecutiveFour()” which passes “val[]” as parameter.

Using “for” loops check the values of board and return the resultant value.

Answer 8

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Solution Summary: The author defines the class "Exercise08_20". Define the "Scanner" object "obj" for input.

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