implémentation de la méthode boolean[][] calculateNextStates

Grid.java

@@ -95,7 +95,13 @@ public class Grid implements Iterable<Cell> {
     }
 
     private boolean[][] calculateNextStates() {
-        return null;
+        boolean[][] states = new boolean[getNumberOfRows()][getNumberOfColumns()];
+            for (int i = 0; i < getNumberOfRows(); i++) {
+                for (int j = 0; j < getNumberOfColumns(); j++) {
+                    states[i][j] = calculateNextState(i, j, getCell(i, j));
+                }
+            }
+        return states;
     }
 
     private boolean calculateNextState(int rowIndex, int columnIndex, Cell cell) {