Chapter 10, Problem 19PP

Program Plan Intro

Tic-Tac-Toe game

Program plan:

• In a file “TicTacToeStrategy.java”, create an interface “TicTacToeStrategy”,
  • Declare the method “get_Move ()” to compute the next move.
• In a file “TicTacToeStrategyMock.java”, create a class “TicTacToeStrategyMock” that implements “TicTacToeStrategy” interface,
  • Define the method “get_Move ()”,
    • Assign the string representation of board.
    • Assign the position.
    • Initialize the variable.
    • Assign the row value.
    • Assign the column value.
    • Return the value.
• In a file “TicTacToeBoard.java”, create a class “TicTacToeBoard”,
  • Declare the array.
  • Declare and initialize the row and column.
  • Define the constructor to create the empty board.
    • Create 2D array.
    • Iterate over rows,
      • Iterate over columns,
        • Fill the array with spaces.
        • • Declare the method “makeMove()” to set the field,
            • Initialize the variables.
            • Check the condition,
              • Set the field.
          • Define the method “toString()”,
            • Declare the string variable.
            • Create a loop,
              • Concatenate the string with “|”.
              • Create  a loop,
                • Concatenate the string with value.
                  • Concatenate the string with new line character.
            • Return the string representation of the board.
          • Define the method “isOver()”,
            • Create a loop,
              • Assign the board location.
              • Check the condition,
                • If it is true, return true.
            • Iterate over columns,
              • Assign the board location,
              • Check the condition,
                • If it is true, return true.
            • Assign the value for diagonal.
            • Return the value.
• In a file “TicTacToeUI.java”, import necessary package, and create a class “TicTacToeUI”,
  • Define the method “main()”,
    • Create “Scanner” object.
    • Create “TicTacToeBoard” object.
    • Create “TicTacToeStrategyMock” object.
    • Execute loop for true,
      • Prompt the user to enter the move.
      • Get the move from the user.
      • Call the method “makeMove()”.
      • Print the string representation of the board.
      • Check whether the game is over,
        • If it is true, return nothing.
      • Assign the move of the computer.
      • Print the computer’s move.
      • Call the method “makeMove()”.
      • Print the board.
      • Check whether the game is over,
        • If it is true, return nothing.