如何在单独的窗口中执行我的.jar文件？我的.jar文件现在只能在窗口上的CMD中执行。我需要把它发送给Java培训的招聘人员，他要求我提供一个.jar文件。但我假设他只想双击它来执行它。双击不起作用。它不会在单独的窗口中打开，而只会在CMD中打开。
清单
Main-Class: BattleShip
爪哇代码
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("nnnWell 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 misslen",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 shipsn" +
"Column %d -> %d shipsn",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中编译了它，并使用java -jar BattleShip在CMD中执行它.jar**
更新： 我现在可以打开.jar文件，但现在打开我自己的.jar文件。 我创建了一个.bat文件，它会自动在CMD中打开，而不是在Java中打开。是因为我的代码没有 UI 吗？
只需安装jarfix.exe然后双击任何jar可执行文件。