public class WareHouse {

  private int startTime;
  private int endTime;
}

WareHouse w1 = new WareHouse(2, 4);
WareHouse w2 = new WareHouse(1, 2);
WareHouse w3 = new WareHouse(3, 6);
WareHouse w4 = new WareHouse(10, 11);
WareHouse w5 = new WareHouse(9, 11);
List<WareHouse> wareHouses = new ArrayList<WareHouse>();
wareHouses.add(w1);
wareHouses.add(w2);
wareHouses.add(w3);
wareHouses.add(w4);
wareHouses.add(w5);