为什么我的输出搞砸了打印出二维数组?

时间:2014-06-19 16:52:46

标签: java multidimensional-array

public class chessboardUsingArray {

private Car[][] myBoard = new Car[8][8];

public chessboardUsingArray() {

    // make sure at the end of this constructor, myBoard is 8x8 and each car
    // in it is set to NULL

    for (int x = 0; x < myBoard.length; x++) {
        for (int y = 0; y < myBoard[x].length; y++) {

            myBoard[x][y] = null;
            // System.out.print(myBoard[x][y] + " ");

        }

        // System.out.println();

    }
}

public void printBoard() {

    for (int x = 0; x < myBoard.length; x++) {
        for (int y = 0; y < myBoard[x].length; y++) {

            Car defaultCar = myBoard[x][y];
            if (defaultCar != null) {
                System.out.println("   " + defaultCar.getMake() + " ");
            } else {

                System.out.print("   X   ");
            }

        }

        System.out.println();

    }

}


public boolean placeCar(int y, int x, Car myCar) {

    if (x >= 0 && x < 8 && y >= 0 && y < 8) {

        if (myBoard[x][y] == null) {

            myBoard[x][y] = myCar;
        }
    }

    return false;
}

地方汽车功能应将汽车放置在指定的坐标中,并按指定的X返回其他所有内容。当我试图将汽车放置在位置(2,3)时,会发生这种情况......正如您所看到的那样H汽车正确放置但其他一些位置是否会消失?

X X X X X X X X
   X X X X X X X X
   X X X X X X X X
   X X H.    X X X X X
   X X X X X X X X
   X X X X X X X X
   X X X X X X X X
   X X X X X X X X

H右边的五个X消失了,下面的另外三个X消失了。为什么没有正确显示它。有任何想法吗?谢谢

1 个答案:

答案 0 :(得分:2)

您正在使用println进行汽车制作,之后会在下一行显示X&lt; p&gt;