// The board for the NumberTile game  
public class Board
{
    private NumberTile [] board ;   // the board for the game
    private int boardSize ;         // current number of tiles on the board
    private static final int MAX_BOARD = 100 ;  // maximum number of tiles
    
    // Creates a new Board that can hold up to MAX_BOARD tiles
    // that contains a single NumberTile
    public Board()
    {
       // TO DO: Code the body of this method       
    }
    
    // Return the NumberTile at the specified index on this Board
    public NumberTile getTile (int index)
    {
       // TO DO: Code the body of this method
       
       // temporary return statement so program skeleton will compile and run
       return null ;   
    }
    
    // Return the current number of tiles on this Board
    public int getSize()
    {
       // TO DO: Code the body of this method
       
       // temporary return statement so program skeleton will compile and run
       return -999 ;
    }
    
    // Insert a new tile into this Board at the specified index
    public void addTile(int index, NumberTile tile)
    {
       // TO DO: Code the body of this method
    }
    
    // Return a multiline string containing all the tiles on this Board
    public String toString()
    {
       // TO DO: Code the body of this method
       
       // temporary return statement so program skeleton will compile and run
       return "The board" ;
    }           
}