如何用Java编写《战舰》游戏的代码？

我想制作两人一战的战舰游戏，一个人，另一个电脑。游戏板为10x10。每个玩家有5艘船，这些船由计算机随机放置在棋盘上。船不能水平或垂直彼此相邻。每个玩家通过给出行号和列号在其他玩家区域射击一个空间。行号和列号从0开始。如果拍摄成功，即其中一艘船受到打击，则在屏幕上显示“ *”字符。否则，将显示为带有“ x”字母的缺失。射击成功后，随着该船沉没，还必须提供信息。船上的所有位置都将显示为“ s”字符。当玩家的所有船只沉没时，游戏结束。我以这种方式编写了代码，但是缺少了一些东西。它必须获得x和y坐标5次，但它需要超过5次并且不会放置飞船。我需要帮助。

import java.util.Scanner;

public class amiralbatti {
public static int numRows = 10;
public static int numCols = 10;
public static int playerShips;
public static int computerShips;
public static String[][] grid = new String[numRows][numCols];
public static int[][] missedGuesses = new int[numRows][numCols];

public static void main(String[] args){
    System.out.println("**** Welcome to Amiral Batti game ****");

    //Step 1 – Create the ocean map
    createOceanMap();

    //Step 2 – Deploy player’s ships
    deployPlayerShips();

    //Step 3 - Deploy computer's ships
    deployComputerShips();

    //Step 4 Battle
    do {
        Battle();
    }
    while(amiralbatti.playerShips != 0 &&  amiralbatti.computerShips!= 0);
    //Step 5 - Game over
    gameOver();
}

public static void createOceanMap(){

    //First section of Ocean Map
    System.out.print("  ");
    System.out.println("\t0 \t1 \t2 \t3 \t4 \t5 \t6 \t7 \t8 \t9");

    //Middle section of Ocean Map
    for(int i = 0; i < grid.length; i++) {
        for (int j = 0; j < grid[i].length; j++) {
            grid[i][j] = "\t" + ".";
            if (j == 0)
                System.out.print(i + grid[i][j]);
            else
                System.out.print(grid[i][j]);
        }
        System.out.println();
    }

}

public static void deployPlayerShips(){
    Scanner scn = new Scanner(System.in);

    System.out.println("\nDeploy your ships:");
    //Deploying five ships for player
    amiralbatti.playerShips = 5;
    for (int i = 1; i <= amiralbatti.playerShips; ) {
        System.out.print("Enter X coordinate for your " + i + " ship: ");
        int x = scn.nextInt();
        System.out.print("Enter Y coordinate for your " + i + " ship: ");
        int y = scn.nextInt();

        if((x >= 0 && x < numRows) && (y >= 0 && y < numCols) && (grid[x][y] == "."))
        {
            grid[x][y] =   "o";
            i++;
        }
        else if((x >= 0 && x < numRows) && (y >= 0 && y < numCols) && grid[x][y] == "o")
            System.out.println("You can't place two or more ships on the same location");
        else if((x < 0 || x >= numRows) || (y < 0 || y >= numCols))
            System.out.println("You can't place ships outside the " + numRows + " by " + numCols + " grid");
    }
    printOceanMap();
}

public static void deployComputerShips(){
    System.out.println("\nComputer is deploying ships");
    //Deploying five ships for computer
    amiralbatti.computerShips = 5;
    for (int i = 1; i <= amiralbatti.computerShips; ) {
        int x = (int)(Math.random() * 10);
        int y = (int)(Math.random() * 10);

        if((x >= 0 && x < numRows) && (y >= 0 && y < numCols) && (grid[x][y] == "."))
        {
            grid[x][y] =   "x";
            System.out.println(i + ". ship DEPLOYED");
            i++;
        }
    }
    printOceanMap();
}

public static void Battle(){
    playerTurn();
    computerTurn();

    printOceanMap();

    System.out.println();
    System.out.println("Your ships: " + amiralbatti.playerShips + " | Computer ships: " + amiralbatti.computerShips);
    System.out.println();
}

public static void playerTurn(){
    System.out.println("\nYOUR TURN");
    int x = -1, y = -1;
    do {
        Scanner input = new Scanner(System.in);
        System.out.print("Enter X coordinate: ");
        x = input.nextInt();
        System.out.print("Enter Y coordinate: ");
        y = input.nextInt();

        if ((x >= 0 && x < numRows) && (y >= 0 && y < numCols)) //valid guess
        {
            if (grid[x][y] == "x") //if computer ship is already there; computer loses ship
            {
                System.out.println("Boom! You sunk the ship!");
                grid[x][y] = "s"; //Hit mark
                --amiralbatti.computerShips;
            }
            else if (grid[x][y] == "o") {
                System.out.println("Oh no, you sunk your own ship :(");
                grid[x][y] = "x";
                --amiralbatti.playerShips;
                ++amiralbatti.computerShips;
            }
            else if (grid[x][y] == " ") {
                System.out.println("Sorry, you missed");
                grid[x][y] = "-";
            }
        }
        else if ((x < 0 || x >= numRows) || (y < 0 || y >= numCols))  //invalid guess
            System.out.println("You can't place ships outside the " + numRows + " by " + numCols + " grid");
    }while((x < 0 || x >= numRows) || (y < 0 || y >= numCols));  //keep re-prompting till valid guess
}

public static void computerTurn(){
    System.out.println("\nCOMPUTER'S TURN");
    //Guess co-ordinates
    int x = -1, y = -1;
    do {
        x = (int)(Math.random() * 10);
        y = (int)(Math.random() * 10);

        if ((x >= 0 && x < numRows) && (y >= 0 && y < numCols)) //valid guess
        {
            if (grid[x][y] == "o") //if player ship is already there; player loses ship
            {
                System.out.println("The Computer sunk one of your ships!");
                grid[x][y] = "x";
                --amiralbatti.playerShips;
                ++amiralbatti.computerShips;
            }
            else if (grid[x][y] == "x") {
                System.out.println("The Computer sunk one of its own ships");
                grid[x][y] = "s";
            }
            else if (grid[x][y] == " ") {
                System.out.println("Computer missed");
                //Saving missed guesses for computer
                if(missedGuesses[x][y] != 1)
                    missedGuesses[x][y] = 1;
            }
        }
    }while((x < 0 || x >= numRows) || (y < 0 || y >= numCols));  //keep re-prompting till valid guess
}

public static void gameOver(){
    System.out.println("Your ships: " + amiralbatti.playerShips + " | Computer ships: " + amiralbatti.computerShips);
    if(amiralbatti.playerShips > 0 && amiralbatti.computerShips <= 0)
        System.out.println("Hooray! You won the battle :)");
    else
        System.out.println("Sorry, you lost the battle");
    System.out.println();
}

public static void printOceanMap(){

    System.out.print("  ");
    System.out.println("\t0 \t1 \t2 \t3 \t4 \t5 \t6 \t7 \t8 \t9");
    //Middle section of Ocean Map
    for(int x = 0; x < grid.length; x++) {
        System.out.print(x);

        for (int y = 0; y < grid[x].length; y++){
            System.out.print(grid[x][y]);
        }
    }
}

}