test

app/src/main/java/model/ArrayGrid.java

@@ -10,12 +10,28 @@ public class ArrayGrid implements Grid{
     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);
+        if (numberOfColumns > 0 || numberOfRows > 0) {
+            for (int j = 0; j < this.numberOfColumns; j++) {
+                for (int i = 0; i < this.numberOfRows; i++) {
+                    cells[numberOfRows][numberOfColumns] = new SquareCell();
                 }
             }
+        }
+        else {
+            throw  new IllegalArgumentException() ;
+        }
+    }
+
+    public Cell getCell(int row, int column) {
+        return this.cells[row][column];
+    }
+
+    public int getNumberOfRows(){
+        return this.numberOfRows;
+    }
+    public int getNumberOfColumns(){
+        return  this.numberOfColumns;
+    }
+
 
 }

app/src/main/java/model/SquareCell.java

@@ -11,17 +11,19 @@ public class SquareCell extends AbstractCell {
 
     List<Cell> neighbours;
 
-
     public SquareCell() {
-        AbstractCell cell = new SquareCell();
+        Color cell = DEFAULT_CELL_COLOR;
+        this.neighbours = new ArrayList<>();
     }
 
     public SquareCell(Color color){
-        AbstractCell cell = new SquareCell(color);
+       Color cell = color;
+       this.neighbours = new ArrayList<>();
     }
 
     public SquareCell(Color color,List<Cell>neighbours){
-        AbstractCell cell = new SquareCell(color,neighbours);
+        Color cell = color;
+        this.neighbours = neighbours;
     }
 
     @Override