Created constructor for Board

src/model/Board.java

 package model;
 
 public class Board {
+	
+	private int[][] board;
+	private Car[] cars;
+	private Position exit;
+
+	public Board(int size, int nbcars){
+		board = new int[size][size];
+		
+		for ( int i=0 ; i < size ; i++){
+			for ( int j=0 ; j< size ; j++){
+				board[i][j] = -1;
+			}
+		}
+		
+		cars = new Car[nbcars];
+	}
+
+	
+	public boolean isSolved(){
+		
+		return board[exit.getX()][exit.getY()] == 0;
+	}
+	
+	
+	//getAllPossibleMoves();
+	
+	
 }