Strange output from my java file

Question

Hi all,
I made a post not long too long ago about some issues i was having. However since then i have not been able to come online or continue much with my work. I've just starting working on it again and after fixing the errors and implementing a little more code i had an unexpected output.
Compiles fine, no errors Just a warning about not checking my vectors etc. But when i run the class file it does not display the grid like i thought it would.
My code is below, but first is what i get when i run the class file after compiling.
[[I@1fc4bec
import java.util.Arrays.*;
import java.util.Random.*;
import java.lang.*;
import java.util.*;
public class SnakeGame
            //Fields
           final int
                     GRIDSIZEX        = 31,   //Stores the horizontal size of the grid
                     GRIDSIZEY       = 31,   //Stores the vertical size of the grid
                     SNAKESTARTX      = 15,   //Snakes horizontal start possition
                     SNAKESTARTY      = 15,   //Snakes Vertical start position
                     SNAKEBODYOFFSETX = -1,   //Does the body go left (neg) or right (pos) at start
                     SNAKEBODYOFFSETY = 0,   //Does the body go up (neg) or down (pos) at start
                     BLANK            = 0,   //Flag for blank space
                     WALL             = 1,   //Flag for wall
                     SNAKEHEAD        = 2,   //Flag for snakeshead
                     SNAKEBODY        = 3,   //Flag for snakesbody
                     FOOD             = 4,   //Flag for food
                     FRUIT            = 5,   //Flag for fruit
                     SNAKEATER        = 6;   //Flag for snakeater
             int[][] boardGrid;  //the playing field
     public static void main(String[] args)
          SnakeGame snakeGame = new SnakeGame();
          snakeGame.initBoard();
          Vector Snake = new Vector();
          String h1 = new String("+");
          Snake.add(h1);
          String b1 = new String("~");
          Snake.add(b1);
          int x;
          int y;
     public void wall()
          char TOP_BOTTOM = '_';
          char LEFT_RIGHT = '|';
     public void food()
          char F = 'F';
          Object food = new Object();
     public static Object grid()
          Object Grid = new Object[31][31];
          Random x = new Random(31);
          Random y = new Random(31);
          return grid();
               * This method sets up the playing field by placing the walls around the edge, snake at start,
               * and the blanks.
               private void initBoard()
                              boardGrid = new int [GRIDSIZEX][GRIDSIZEY];
                          for(int row = 0; row < boardGrid.length; row++)
                                  for(int col = 0; col < boardGrid[0].length; col++)
                                                  //Insert a wall around edge
                                                  if (row == 0 || row == (boardGrid.length -1) || col == 0 || col == (boardGrid[0].length -1))
                                                         boardGrid[row][col] = WALL;
                                             //Insert the snakes head
                                             else if (row == SNAKESTARTX && col == SNAKESTARTY)
                                                     boardGrid[row][col] = SNAKEHEAD;
                                             //Insert the snakes one body peice
                                             else if (row == SNAKESTARTX + SNAKEBODYOFFSETX && col == SNAKESTARTY + SNAKEBODYOFFSETY)
                                                          boardGrid[row][col] = SNAKEBODY;
                              else if (row == FOOD && col == FOOD)
                                   boardGrid[row][col] = FOOD;
                                                  //Make all the rest blanks
                                             else
                                                boardGrid[row][col] = BLANK;
               System.out.println(boardGrid);
}

Answer 1

When you want to print an array then you can't just do
System.out.println(someArray);This implicitly calls .toString() on the array which produces the result that you saw (= something that isn't very useful).
You could write
System.out.println(Arrays.deepToString(someArray));(after inporting java.util.Arrays).