ArrayGrid.java

package model;

public class ArrayGrid implements Grid{

    private Cell[][] cells;
    private final  int numberOfRows ;
    private final int numberOfColumns ;


    public ArrayGrid(int numberOfRows,int numberOfColumns){
        this.numberOfRows = numberOfRows;
        this.numberOfColumns = numberOfColumns;
        this.cells[numberOfRows][numberOfColumns]=new SquareCell();
        try {
             System.out.println(numberOfColumns<0 || numberOfRows<0);
        }catch (IllegalArgumentException e){
            System.out.println(e);
        }
    }

}