Battleship 8x8

   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<size; i++)
            {
               board[row][col+i] = "S";
            }
         }
         else
         {
            int col = (int)(Math.random()*7);
            int row = (int)(Math.random()*5);
            for(int i = 0; i<size; 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);
      }