Thread: Need help converting Pseudocode to java

// main module
Module main()
// Local variables
Constant Integer ROWS = 3, COLS = 3
Declare Integer indexR, indexC
Declare winX = 0, winO = 0, player, draw
Declare String board[ROWS][COLS], LineFeed = 10
 
//initialize
For indexR = 0 to ROWS – 1
	For indexC = 0 to COLS – 1
		Set board[indexR][indexC] = “*”
	End For
End For
 
// game
While winX == 0 and winO = 0
 
// enter location for X
	Display “enter X row: “
	Input player
	Set indexR = player - 1
	Display “enter X column: “
	Input player
	Set indexC = player – 1
	If board[indexR][indexC] == “*” Then
		Set board[indexR][indexC] = “X”
	End If
 
	// enter location for O
	Display “enter O row: “
	Input player
	Set indexR = player - 1
	Display “enter O column: “
	Input player
	Set indexC = player – 1
	If board[indexR][indexC] == “*” Then
		Set board[indexR][indexC] = “O”
	End If
 
// check rows
For indexR = 0 to ROWS – 1
	If board[indexR][0] != “*” Then
			If board[indexR][0] == board[indexR][1] Then 
				If board[indexR][1] == board[indexR][2] Then
					If board[indexR][0] == “X” Then
						Set winX = 1
					Else
						Set winO = 1
					End If
				End If
			End If
		End If
	End For
 
// check columns
For indexC = 0 to COLS – 1
	If board[0][indexC] != “*” Then
			If board[0][indexC] == board[1][indexC] Then 
				If board[1][indexC] == board[2][indexC] Then
					If board[0][indexC] == “X” Then
						Set winX = 1
					Else
						Set winO = 1
					End If
				End If
			End If
		End If
	End For
 
// check diagonal
	If board[0][0] != “*” Then
			If board[0][0] == board[1][1] Then 
				If board[1][1] == board[2][2] Then
					If board[0][0] == “X” Then
						Set winX = 1
					Else
						Set winO = 1
					End If
				End If
			End If
		End If
	If board[0][2] != “*” Then
			If board[0][2] == board[1][1] Then 
				If board[1][1] == board[2][0] Then
					If board[0][2] == “X” Then
						Set winX = 1
					Else
						Set winO = 1
					End If
				End If
			End If
		End If
 
//check if draw
Set draw = 9
For indexR = 0 to ROWS – 1
		For indexC = 0 to COLS – 1
			If board[indexR][indexC] == “*” Then
				Set draw = 0
			End If
		End For
End For
If draw == 9 Then
	Set winX = 1
	Set winO = 1
End If
 
//display board
For indexR = 0 to ROWS – 1
		For indexC = 0 to COLS – 1
			Display board[indexR][indexC]
		End For
		Display LineFeed
End For
 
	End While
 
 
// show result
If draw == 9 Then
Display “Game is a draw.”
	Else
		If winX == 1 Then
			Display “X wins!”
		Else
			Display “O wins!”
		End If
	End If
 
End Module

This is what I have so far.

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
 
    public class tictactoe {
           // Local variables
         private int indexR;
         private int indexC;
         private int winX = 0;
         private int winO = 0;
         private int player;
         private int draw;
         private BufferedReader reader = new BuffferedReader (new InputStreamReader(System.in));
         private char[][]board = new char [3][3];
         int LineFeed = 10;
 
            //initialize
         protected void init(){
            int counter = 0;
            for (indexR = 0; indexR < 3; indexR++){
                for (indexC = 0; indexC < 3; indexC++){
                     board [indexR][indexC] = Character.forDigit(++counter, 10);
                 }
              }
            winX = 1;
            player = 0;
         while (winX = 0; winO = 0){
 
         //Enter location for X
         System.out.print ("Enter X row: ");
         row = reader.readLine();
         indexR = player - 1;
         System.out.print ("Enter X column: ");
         column = reader.readLine();
         indexC = player - 1;
         if (board [indexR][indexC] == "*"){
             Set board[indexR][indexC] = "X";
         }
 
         //enter location of O
         System.out.print("Enter O row");
         row = reader.readLine();
         indexR = player - 1;
         System.out.print ("Enter O column: ");
         column = reader.readLine();
         indexC = player - 1;
         if (board [indexR][indexC] == "*"){
             Set board[indexR][indexC] = "O";
         }
 
         //check rows
         for (indexR = 0;indexR < 3; indexR++){
             if (board[indexR][0] != "*"){
                 if (board[indexR][0] == board[indexR][1]){
                     if (board[indexR][1] == board[indexR][2]){
                         if (board[indexR][0] == "X"){
                             winX = 1;
                         else
                             winO = 1;
                        }
                    }
                }
            }
        }
 
 
         //check columns
         for (indexC = 0; indexC<3;indexC++){
             if (board[0][indexC] != "*"){
                 if (board[0][indexC] == board[1][indexC]){
                     if (board[1][indexC] == board[2][indexC]){
                         if (board[0][indexC] == "X"){
                             winX = 1;
                         else
                             winO = 1;
                        }
                    }
                }
            }
        }
 
         //check diagonal
         if (board[0][0] != "*"){
                 if (board[0][0] == board[1][1]){
                     if (board[1][1] == board[2][2]){
                         if (board[0][0] == "X"){
                             winX = 1;
                         else
                             winO = 1;
                        }
                    }
                }
            }
          if (board[0][2] != "*"){
                 if (board[0][2] == board[1][1]){
                     if (board[1][1] == board[2][0]){
                         if (board[0][2] == "X"){
                             winX = 1;
                         else
                             winO = 1;
                        }
                    }
                }
            }
 
         //check if draw
         Set draw = 9;
         for (indexR = 0;indexR < 3; indexR++){
             for (indexC =  0;indexC < 3; indexC++){
                 if (board [indexR] [indexC] == "*"){
                     Set draw = 0;
                 }
             }
         }
         if (draw == 9){
             winX = 1;
             winO = 1;
         }
 
         //display board
         protected string drawBoard(){
            StringBuilder builder = new StringBuilder("*");
            for (int indexR = 0; indexR < 3; indexR++){
                for (int indexC = 0; indexC < 3; indexC++){
                 System.out.print ([indexR][indexC]);
             }
             System.out.print (LineFeed);
         }
    }
 
     //show result
     if (draw == 9){
         System.out.print ("Game is a draw.");
      } else if (winX == 1){
             System.out.print ("X wins!");
            } else {
             System.out.print ("O wins!");
         }
     }
}