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我正在制作一个 Java Mine Sweeper 程序。到目前为止，除了级联和显示之外，一切都很顺利。我不断收到 StackOverFlowError。有人可以看看并帮助我吗？谢谢！

public static char[][]revealCell(int xbox, int ybox, char blankboard [] [], char     RevealedBoard [][]){


if( RevealedBoard[ybox][xbox]== 'B'){
blankboard[ybox][xbox]= 'B';
return blankboard;

}else if( RevealedBoard[ybox][xbox]== '1'){
blankboard[ybox][xbox]= '1';
return blankboard;
}

else if( RevealedBoard[ybox][xbox]== '2'){
blankboard[ybox][xbox]= '2';
return blankboard;

}else{
blankboard[ybox][xbox]= '-';

    if( xbox== 0){ // left of the grid 


        if(ybox==0){
        blankboard= revealCell(xbox+1, ybox, blankboard, RevealedBoard);
        blankboard= revealCell(xbox, ybox+1, blankboard, RevealedBoard);
        blankboard= revealCell(xbox+1, ybox+1, blankboard, RevealedBoard);
        return blankboard;
        }else if( ybox== 7){
        blankboard= revealCell(xbox+1, ybox, blankboard, RevealedBoard);
        blankboard= revealCell(xbox, ybox-1, blankboard, RevealedBoard);
        blankboard= revealCell(xbox+1, ybox-1, blankboard, RevealedBoard);              
        return blankboard;
        }else{
        blankboard= revealCell(xbox+1, ybox, blankboard, RevealedBoard);
        blankboard= revealCell(xbox, ybox-1, blankboard, RevealedBoard);
        blankboard= revealCell(xbox +1, ybox-1, blankboard, RevealedBoard);
        blankboard= revealCell(xbox, ybox+1, blankboard, RevealedBoard);
        blankboard= revealCell(xbox+1, ybox+1, blankboard, RevealedBoard);
        return blankboard;
        }

    }else if(xbox== 7){// right of the grid
    blankboard= revealCell(xbox-1, ybox, blankboard, RevealedBoard);

        if(ybox== 7){
        blankboard= revealCell(xbox, ybox-1, blankboard, RevealedBoard);
        blankboard= revealCell(xbox-1, ybox-1, blankboard, RevealedBoard);
        return blankboard;
        }else if( ybox==0){                                                             
        blankboard= revealCell(xbox, ybox+1, blankboard, RevealedBoard);
        blankboard= revealCell(xbox-1, ybox+1, blankboard, RevealedBoard);
        return blankboard;
        }else{
        blankboard= revealCell(xbox-1, ybox-1, blankboard, RevealedBoard);
        blankboard= revealCell(xbox-1, ybox+1, blankboard, RevealedBoard);
        blankboard= revealCell(xbox, ybox-1, blankboard, RevealedBoard);
        blankboard= revealCell(xbox, ybox+1, blankboard, RevealedBoard);
        return blankboard;
        }

    }else{
        if(ybox== 0){
        blankboard= revealCell(xbox-1, ybox, blankboard, RevealedBoard);
        blankboard= revealCell(xbox, ybox+1, blankboard, RevealedBoard);
        blankboard= revealCell(xbox-1, ybox+1, blankboard, RevealedBoard);
        return blankboard;
        }else if( ybox==7){
        blankboard= revealCell(xbox-1, ybox, blankboard, RevealedBoard);
        blankboard= revealCell(xbox, ybox-1, blankboard, RevealedBoard);
        blankboard= revealCell(xbox-1, ybox-1, blankboard, RevealedBoard);
        return blankboard;
        }else{
    blankboard= revealCell(xbox, ybox-1, blankboard, RevealedBoard);
    blankboard= revealCell(xbox-1, ybox-1, blankboard, RevealedBoard);
    blankboard= revealCell(xbox+1, ybox-1, blankboard, RevealedBoard);
    blankboard= revealCell(xbox-1, ybox+1, blankboard, RevealedBoard);
    blankboard= revealCell(xbox, ybox+1, blankboard, RevealedBoard);
    blankboard= revealCell(xbox-1, ybox, blankboard, RevealedBoard);
    blankboard= revealCell(xbox+1, ybox, blankboard, RevealedBoard);
    blankboard= revealCell(xbox+1, ybox+1, blankboard, RevealedBoard);

    }
    }



}
return blankboard;
}

}

revealCell 是我的方法，对于我在学校的实际课程，我们必须使用递归。我认为这是我们应该做的，但我遇到了错误。

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1 回答 1

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检查递归的停止条件，你确定你只能得到'B'，'1'或'2'，当一个单元格有3个地雷时会发生什么？顺便说一句，我认为如果每个单元格显示您检查所有邻居（包括越界）并且在函数开始时检查是否是有效单元格（(xbox >=0 && xbox <=7) ||(ybox>=0 && ybox<=7))，如果它不是有效单元格，则按原样返回数组。

于 2013-04-09T23:44:20.363 回答