Hello, I need help in order to add a timer for this game. I want there to be a 5 second time limit for for when you are decdining where to shoot the torpedo. So if you dont input your numbers then the tim then the game will output "You lose for not firing torpedos fast enough".

package BattleshipLab;

import java.util.*;

import java.util.Scanner;

public class BattleshipLab

{

Scanner input = new Scanner(System.in);

public static final boolean DEBUG = false;

public static void breakln()

{

System.out.println("_____________________________________");

System.out.println("");

}

public static void createBoard(String[][] board)

{

for(int r = 0; r < board.length; r++)

{

for(int c = 0; c < board[0].length; c++)

{

board[r][c] = "~";

}

}

}

public static void showBoard(String[][] board)

{

breakln();

for(int r = 0; r < board.length; r++)

{

if(DEBUG == true)

{

for(int c = 0; c < board[0].length; c++)

{

System.out.print(" "+board[r][c]);

}

System.out.println("");

}

else

{

for(int c = 0; c < board[0].length; c++)

{

if(board[r][c].equals("S"))

{

System.out.print(" "+"~");

}

else

{

System.out.print(" "+board[r][c]);

}

}

System.out.println("");

}

}

breakln();

}

public static void createShip(String[][] board,int size)

{

if(Math.random() < 0.5)

{

int col = (int)(Math.random()*5);

int row = (int)(Math.random()*7);

for(int i = 0; i

{

board[row][col+i] = "S";

}

}

else

{

int col = (int)(Math.random()*7);

int row = (int)(Math.random()*5);

for(int i = 0; i

{

board[row+i][col] = "S";

}

}

}

public static int userFire(String[][] board, int hits, int torps)

{

Scanner input = new Scanner(System.in);

int row,col;

System.out.println("You have: "+ torps +" torpedos left!");

System.out.println("Select a row to fire in: ");

row = input.nextInt();

while(row > 8 || row < 1) // Error checking for row

{

System.out.println("Enter a valid row (1 -> 8)");

row = input.nextInt();

}

System.out.println("Select a column to fire in: ");

col = input.nextInt();

while(col > 8 || col < 1) // Error checking for column

{

System.out.println("Enter a valid col (1 -> 8)");

col = input.nextInt();

}

if(board[row-1][col-1].equals("S"))

{

hits ++;

System.out.println("~~~~~~~ HIT ~~~~~~~");

board[row-1][col-1] = "!";

}

else

{

System.out.println("~~~~~~~ MISS ~~~~~~~");

board[row-1][col-1] = "M";

}

return hits;

}

public static void finall(int hits, int torps)

{

if(hits < 4)

System.out.println("Sorry, but you lost because you didn't sink the ship.");

if(torps < 1)

System.out.println("You have lost all your torpedos");

else

if(hits >= 4)

{

System.out.println("You have beaten the game battleship, Thanks for playing!");

}

System.out.println("Good game, well played!");

}

public static void main(String[] arg)

{

String[][] board = new String[8][8];

createBoard(board);

createShip(board, 4);

int torps = 15;

int hits = 0;

/// Starting real stuff

while(torps > 0 && hits < 4)

{

showBoard(board);

hits = userFire(board, hits, torps);

torps --;

}

finall(hits, torps);

}

}