Question

如何在单独的窗口中执行我的.jar文件？我的.jar文件现在只在Windows上的CMD中执行。我需要将此信息发送给Java Traineeship的招聘人员，他要我提供.jar文件。但我想他只是想双击它来执行它。双击不起作用。它不会在单独的窗口中打开，而只能在CMD中打开。

清单

Main-Class: BattleShip

Java代码

import java.util.Random;
import java.util.Scanner;

public class BattleShip {

public static void main(String[] args) {
    int[][] board = new int[7][7];
    int[][] ships = new int[5][2];
    int[] shoot = new int[2];
    int attempts=0,
        shotHit=0;

    //method initBoard is triggered to create the board with the number '-1' in all positions
    initBoard(board);
    //method initShips is triggered to fill the position of the 5 ships (row and column)
    initShips(ships);

    System.out.println();

    //the game begins using a do...while loop, game goes on until the player hits the 5 ships
    do{
        showBoard(board);
        shoot(shoot);
        attempts++;

        if(hit(shoot,ships)){
            hint(shoot,ships,attempts);
            shotHit++;
        }                
        else
            hint(shoot,ships,attempts);

        changeboard(shoot,ships,board);

    //condition of the loop is "shotHit!=5'
    }while(shotHit!=5);

    System.out.println("\n\n\nWell done soldier! You've destroyed 5 enemy ships in "+attempts+" attempts");
    showBoard(board);
}
//sets the value -1 in all blocks of the board
public static void initBoard(int[][] board){
    for(int row=0 ; row < 7 ; row++ )
        for(int column=0 ; column < 7 ; column++ )
            board[row][column]=-1;
}
//gets the int matrix and shows the board game
public static void showBoard(int[][] board){
    System.out.println("\t1 \t2 \t3 \t4 \t5 \t6 \t7");
    System.out.println();

    for(int row=0 ; row < 7 ; row++ ){
        System.out.print((row+1)+"");
        for(int column=0 ; column < 7 ; column++ ){
            if(board[row][column]==-1){
                System.out.print("\t"+"~");
            }else if(board[row][column]==0){
                System.out.print("\t"+"*");
            }else if(board[row][column]==1){
                System.out.print("\t"+"X");
            }

        }
        System.out.println();
    }

}

//this method randomly select 5 pairs of integers numbers, which are the location of the 5 ships
public static void initShips(int[][] ships){
    Random random = new Random();

    for(int ship=0 ; ship < 5 ; ship++){
        ships[ship][0]=random.nextInt(7);
        ships[ship][1]=random.nextInt(7);

        //let's check if that shot was already tried 
        //if it was, just finish the do...while when a new pair was randomly selected
        for(int last=0 ; last < ship ; last++){
            if( (ships[ship][0] == ships[last][0])&&(ships[ship][1] == ships[last][1]) )
                do{
                    ships[ship][0]=random.nextInt(7);
                    ships[ship][1]=random.nextInt(7);
                }while( (ships[ship][0] == ships[last][0])&&(ships[ship][1] == ships[last][1]) );
        }

    }
}

//gets a shot (row and column) of the user, and stores in variable shot []
public static void shoot(int[] shoot){
    Scanner input = new Scanner(System.in);

    System.out.print("Row: ");
    shoot[0] = input.nextInt();
    shoot[0]--;

    System.out.print("Column: ");
    shoot[1] = input.nextInt();
    shoot[1]--;

}

//checks if given shot hit a ship
public static boolean hit(int[] shoot, int[][] ships){

    for(int ship=0 ; ship<ships.length ; ship++){
        if( shoot[0]==ships[ship][0] && shoot[1]==ships[ship][1]){
            System.out.printf("What a SOLDIER! You hit an enemy ship located in (%d,%d) with a hellstorm missle\n",shoot[0]+1,shoot[1]+1);
            return true;
        }
    }
    return false;
}

//give a hint of how many ships are in that row and that column where the shot was given
public static void hint(int[] shoot, int[][] ships, int attempt){
    int row=0,
        column=0;

    for(int line=0 ; line < ships.length ; line++){
        if(ships[line][0]==shoot[0])
            row++;
        if(ships[line][1]==shoot[1])
            column++;
    }

    System.out.printf("\nHint %d: \nRow %d -> %d ships\n" +
                             "Column %d -> %d ships\n",attempt,shoot[0]+1,row,shoot[1]+1,column);
}

//after the shot is given, the board is changed, showing that the shot was give (if hit or missed)
public static void changeboard(int[] shoot, int[][] ships, int[][] board){
    if(hit(shoot,ships))
        board[shoot[0]][shoot[1]]=1;
    else
        board[shoot[0]][shoot[1]]=0;
}
}

**我在CMD中编译它并使用java -jar BattleShip.jar **在CMD中执行它

更新：我现在可以打开.jar文件但现在是我自己的.jar文件。我创建了一个.bat文件，它在CMD中自动打开而不是在Java中打开。是因为我的代码没有UI吗？

Answer 1

只需安装jarfix.exe并双击任何jar可执行文件..

在单独的窗口中执行.jar文件

1 个答案: