Chessgame

public class ChessGame {

    String[][] board = new String[8][8];
    public int z = 0;

    boolean nextPlayer = true;


    public void turnPlayer() {
        nextPlayer = !nextPlayer;
    }


    public void fillBoard() {


        //Pawns
        for (int k = 0; k < 8; k++) {
            board[1][k] = "p";
            board[6][k] = "P";
        }

        // Knights
        board[0][1] = "n";
        board[0][6] = "n";
        board[7][1] = "N";
        board[7][6] = "N";

        //Bishops
        board[0][2] = "b";
        board[0][5] = "b";
        board[7][2] = "B";
        board[7][5] = "B";

        // Rooks
        board[0][0] = "r";
        board[0][7] = "r";
        board[7][0] = "R";
        board[7][7] = "R";

        //Queens
        board[0][3] = "q";
        board[7][3] = "Q";

        //Kings
        board[0][4] = "k";
        board[7][4] = "K";


        // Knights
        board[0][1] = "n";
        board[0][6] = "n";
        board[7][1] = "N";
        board[7][6] = "N";


        // quick check if everything was done correctly




            for (int i = 0; i < 8; i++) {

                if (i != 0) {
                    System.out.print(" / ");
                }

                //System.out.print("/");

                for (int j = 0; j < 8; j++) {

                    if (board[i][j] == null) {
                        board[i][j] = " ";
                    } // replace all cells with a " " <- for empty cell

                    if (board[i][j].equals(" ")) {
                        z++;
                        if (z == 8) {
                            System.out.print(z);
                            z = 0;
                        }
                    }         // if the cell is an empty cell then z++

                    else {                                        // otherwise there are two specific opportunites


                        if (z == 0) {                              // if the counter z = 0 then print the board with the pieces
                            System.out.print(board[i][j] +  " " );  // and set z = 0 again
                            z = 0;

                        } else {
                            //   System.out.print(z);                     // if the counter is not equal 0 then print z and the board with the current cell
                            z = 0;
                            System.out.print(board[i][j] + " " );

                        }

                    }


                }

            }


        }




    public void switchPlayer(){
        if (nextPlayer) {               // Player w
            fillBoard();
            System.out.print(" w");
        }

        if (!nextPlayer){               // Player b
            fillBoard();
            System.out.print(" b");
        }

    }




    public static void main (String[] args) {
        ChessGame test = new ChessGame();

        test.switchPlayer();
    }

    }