### Question:
Astar { public static Heuristic createHeuristicClosestSquared() { return new HeuristicClosestSquared(); } private  Astar(); static PathFinder createPathFinder(MapTile map, int maxSearchDistance, Heuristic heuristic); static Heuristic createHeuristicClosest(); static Heuristic createHeuristicClosestSquared(); static Heuristic createHeuristicManhattan(int minimumCost);  }### Answer:
@Test void testCreateHeuristicClosestSquared() { assertEquals(HeuristicClosestSquared.class, Astar.createHeuristicClosestSquared().getClass()); }