用java写一个简单的扫雷程序，并说明怎么运行

好的，以下是一个简单的扫雷程序的Java代码： ```java import java.util.Random; import java.util.Scanner; public class Minesweeper { private static final int ROWS = 9; private static final int COLS = 9; private static final int MINES = 10; private static final char COVERED_CELL = '-'; private static final char MINE_CELL = '*'; private static final char EMPTY_CELL = ' '; private static final char FLAGGED_CELL = 'F'; private char[][] board; private boolean[][] revealed; private boolean[][] flagged; private int remainingMines; public Minesweeper() { board = new char[ROWS][COLS]; revealed = new boolean[ROWS][COLS]; flagged = new boolean[ROWS][COLS]; remainingMines = MINES; // Initialize the board with covered cells for (int row = 0; row < ROWS; row++) { for (int col = 0; col < COLS; col++) { board[row][col] = COVERED_CELL; } } // Place mines randomly on the board Random random = new Random(); int minesPlaced = 0; while (minesPlaced < MINES) { int row = random.nextInt(ROWS); int col = random.nextInt(COLS); if (board[row][col] != MINE_CELL) { board[row][col] = MINE_CELL; minesPlaced++; } } } public void play() { Scanner scanner = new Scanner(System.in); while (true) { printBoard(); System.out.print("Enter row and column (e.g. 3 4): "); int row = scanner.nextInt() - 1; int col = scanner.nextInt() - 1; if (row < 0 || row >= ROWS || col < 0 || col >= COLS) { System.out.println("Invalid row or column. Try again."); continue; } if (flagged[row][col]) { System.out.println("This cell is already flagged."); continue; } if (revealed[row][col]) { System.out.println("This cell is already revealed."); continue; } char cellValue = board