Chapter 10, Problem 17PP

Program Plan Intro

Tic Tac Toe

Program plan:

Filename: “TicTacToeComponent.java”

This program file is used to define a class “TicTacToeComponent”. In the code,

• Import the required packages.
• Define a class “TicTacToeComponent”.
  • Declare class members “board”, “squareDim”, “leftPad”, “topPad”, “MARK_PAD”.
  • Define a constructor “TicTacToeComponent()”.
    • Initialize the class members.
  • Define a method “paintComponent()”.
    • Draw board.
  • Define a method “drawMark()”.
    • If “mark” is “X”,
      • Draw “line1” and “line2”.
        • Else, if the “mark” is “O”,
        • • Draw circle.

Filename: “TicTacToeBoard.java”

This program file is used to define a class “TicTacToeBoard”. In the code,

• Define a class “TicTacToeBoard”.
  • Declare the class members “BLANK”, “X_MARK”, “O_MARK” and “board”.
  • Define the constructor “TicTacToeBoard()”.
    • Iterates for loops,
      • Initialize “board[][]”.
  • Define a method “availableSquare()”.
    • Return the result of expression.
  • Define a method “determineWinner()”.
    • Iterate for loop,
      • If the condition is true,
        • Return the element “board[row][0]”.
    • Iterate for loop,
      • If the condition is true,
        • Return the element “board[0][col]”.
    • If the condition is true,
      • Return element “board[0][0]”.
    • If the condition is true,
      • Return element “board[0][2]”
  • Return “BLANK”.
  • Define a method “getMark()”.
    • If the condition is true,
      • Return the element “board[row][col]”.
    • Otherwise,
      • Return “BLANK”.
  • Define a method “setMark()”.
    • If the condition is true,
      • Set “mark” to “board[row][col]”.
  • Define a method “reset()”.
    • Iterate for loops,
      • Set “BLANK” to “board[row][col]”.
  • Define a method “validMark()”.
    • Return the truth value of expression.

Filename: “TicTacToeFrame.java”

This program file is used to define a class “TicTacToeFrame”. In the code,

• Define a class “TicTacToeFrame”.
  • Define the class members.
  • Define a constructor “TicTacToeFrame()”.
    • Set a variable “done” as “false”.
    • Define a “board”.
    • Define an object of “BoxLayout”.
    • Set the layout of “panel”.
    • Set the “player”.
    • Define a label and set its text as “X's turn”.
    • Create “component”.
    • Create a “JButton” and set its text as “Reset Game”.
    • Define the object of “MousePressedListener” named “listener”.
    • Add mouse listener to “component”.
    • Define a panel “panel2”.
    • Add button to “panel2”.
    • Add “turnLabel” to “panel2”.
    • Add “panel2” to “panel1”.
    • Add “panel1” to the layout.
    • Set the size of frame.
  • Define a method “selectSquare()”.
    • Call “setMark()” using “board”.
  • Define a method “computeRow()”.
    • If the condition is “true”,
      • Return “-1”.
        • Return the truth value of expression.
  • Define a method “computeCol()”.
    • If the condition is “true”,
      • Return “-1”.
        • Return the truth value of expression.
  • Define a method “reset()”.
    • Call the method “reset()” using “board”.
    • Set the “player”.
    • Call the method “setTurnLabel()”.
    • Set “done” equal to false.
  • Define a method “switchPlayer()”.
    • If “player” equal to “X_PLAYER”.
      • Set “player” equal to “O_PLAYER”.
        • Else,
        • • Set “player” equal to “X_PLAYER”.
        • Call the method “setTurnLabel()”.
  • Define a method “setWinner()”.
    • If “player” equal to “X_PLAYER”.
      • Set text of label as “X wins!”.
        • Else,
        • • Set text of label as “O wins!”.
        • Set “done” equal to “true”.
  • Define a method “setTurnLabel()”.
    • If “player” equal to “X_PLAYER”.
      • Set text of label as “X’s turn”.
        • Else,
        • • Set text of label as “O’s turn”.
  • Define a method “getMark()”.
    • If “player” equal to “X_PLAYER”.
      • Return the value.
        • Else,
        • • Return the value.
  • Define a class “MousePressedListener”.’
    • Define a constructor “MousePressedListener()”.
      • Set “mouseX”.
      • Set “mouseY”.
      • Set “row”.
      • Set “col”.
      • If “true”,
        • Call “selectSquare()”.
        • If the condition is “true”.
        • • Call “setWinner()”.
        • Otherwise,
        • • Call “switchPlayer()”.
            • Call “repaint()”.
    • Declare do nothing methods named “mouseReleased()”, “mouseClicked()”, “mouseEntered()”, “mouseExited()”.
  • Define a class “ResetListener”.
    • Define method “actionPerformed()”.
      • Call “reset()”.
      • Call “repaint()”.

Filename: “TicTacToe.java”

This program file is used to define a class “TicTacToe”. In the code,

• Import the required packages.
• Define a class “TicTacToe”.
  • Define the method “main()”.
    • Define the object of “JFrame”.
    • Set the title of JFrame as “Tic-Tac-Toe”.
    • Set default close.
    • Set the frame as visible.